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Agilent Technologies 86140B Series, User Manual

The Agilent Technologies 86140B Series is a cutting-edge product that offers reliable and accurate measurements for optical signal analysis. Ensure smooth operation with our comprehensive User Manual, available for free download from our website. Explore all the features and functionality this device has to offer to optimize your optical testing experience.

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2-3

Using the Instrument

Setting Up Measurements

Adjusting Setup Conditions

Setup panels allow you to adjust setup conditions which are not frequently 
changed. 

Refer to “Preset” on page 3-65

.

Using the softkeys

Arrows

 allow you to navigate from field to field in the dialog box. The high-

lighted parameter can be changed. The front-panel number keys, step keys, 
and knob allows the user to enter a numeric value in the highlighted field. 

Select 

selects the highlighted parameter. You can enter values for a selected 

parameter using the front panel knob or numeric entry pad.

Defaults 

resets the parameters to their default condition.

Close Panel

 saves the current setup and returns you to the previous menu.

Summary of Contents for 86140B Series

Page 1: ... underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In stock Ready to ship TAR certified secure asset solutions Expert team I Trust guarantee I 100 satisfaction All trademarks brand names and brands appearing herein are the property of their respective ...

Page 2: ...Agilent 86140B Series Optical Spectrum Analyzer User s Guide ...

Page 3: ...resulting from improper or inadequate maintenance by Buyer Buyer supplied software or interfac ing unauthorized modifica tion or misuse operation outside of the environmental specifications for the product or improper site preparation or maintenance No other warranty is expressed or implied Agilent Technologies specifically dis claims the implied warranties of merchantability and fitness for a par...

Page 4: ... personnel To prevent electrical shock do not remove covers WAR N I N G This is a Safety Class 1 Product provided with a protective earthing ground incorporated in the power cord The mains plug shall only be inserted in a socket outlet provided with a protective earth contact Any interruption of the protective conductor inside or outside of the instrument is likely to make the instrument dangerous...

Page 5: ...isconnecting device It disconnects the mains circuit from the mains supply before other parts of the instrument The front panel switch is only a standby switch and is not a LINE switch Alternatively an externally installed switch or circuit breaker which is readily identifiable and is easily reached by the operator may be used as a disconnecting device C AUT IO N Always use the three prong AC powe...

Page 6: ...naging Files 2 19 Analyzing Measurement Data 2 27 Analyzer Operating Modes 2 30 3 Function Reference 4 Remote Front Panel Operation Remote Front Panel 4 2 5 Status Listings Overview 5 2 Error Reporting Behavior 5 4 SCPI Defined Errors 5 5 OSA Notices 5 16 OSA Warnings 5 17 Application Specific Warnings 5 29 OSA Status Errors 5 35 OSA Errors 5 36 Firmware Errors 5 38 6 Maintenance Changing the Prin...

Page 7: ...Contents 2 Contents 7 Specifications and Regulatory Information Definition of Terms 7 3 Specifications 7 5 Regulatory Information 7 21 Declaration of Conformity 7 22 ...

Page 8: ... Product Overview 1 2 Setting Up the Analyzer 1 8 Making a Measurement 1 13 The Menu Bar 1 17 The Softkey Panels 1 18 Laser Safety Considerations 1 29 Product Options and Accessories 1 30 Getting Started ...

Page 9: ...lications to allow for fast and easy implementation of channel dropping For Agilent 86146B instruments this mode also allows the ability to measure time resolve chirp TRC Built in Applications Built in applications allow fast repeatable measurements for WDM systems lasers amplifiers and passive components These applications can be added through a firmware upgrade WDM Application This application a...

Page 10: ...ication This application offers automated optical source and laser characterization Amplifier Test Application This application simplifies the process of characterizing gain and noise figure of optical amplifiers such as EDFA s SOA s and Raman amplifiers ...

Page 11: ...1 4 Getting Started Product Overview Agilent 86140B Front and Rear Panels ...

Page 12: ...1 5 Getting Started Product Overview ...

Page 13: ...1 6 Getting Started Product Overview Optical Spectrum Analyzer Display Figure 1 1 Optical Spectrum Analyzer Display ...

Page 14: ...1 7 Getting Started Product Overview Figure 1 2 Display Annotations ...

Page 15: ... 1 1 Items in a Standard Agilent 86140B Series Shipment Description Product Number Item Quantity BNC Cable 24 inches 8120 1839 1 GPIB Cable 8120 3444 1 FC PC Dust Cap 1401 0291 2 English User s Guide Manual 86140 90068 1 Application Guide 86140 90071 1 Programming Guide 86140 90069 1 Quick Start Card 86140 90087 1 ...

Page 16: ...the Instrument for Service on page 6 21 If the shipment was damaged contact the carrier then contact the nearest Agi lent Technologies Sales Office Keep the shipping materials for the carrier s inspection The Agilent Technologies Sales Office will arrange for repair or replacement at Agilent Technologies option without waiting for claim settle ment Step 2 Connect Accessories and Power Cord Althoug...

Page 17: ...rinter for example an HP1 LaserJet to the instrument s rear panel Parallel connector Use a parallel Centronics printer ca ble such as an HP C2950A 2 m or HP C2951A 3 m The line cord provided is matched by Agilent Technologies to the country of origin on the order Refer to Accessories on page 1 31 1 HP and Hewlett Packard are U S registered trademarks of Hewlett Packard Company ...

Page 18: ...ons for Accurate Measurements on page 6 8 C AUT IO N A front panel connector saver is provided with Agilent 86140B series instruments Attach the connector saver to the front panel INPUT connector of the instrument You can now make your connections to the connector saver instead of the instrument This will help prevent damage to the front panel INPUT connector of the instrument Damage to the front ...

Page 19: ...the instrument shipment To learn more about this or any Agilent Technologies product visit our web site at http www agilent com cm index shtml Or to learn more about fiber optic test equipment follow this path from the address listed 1 Click Communications Products 2 Click Lightwave Measurement Solutions 3 Click Communications Solutions and then select Optical and Photonic Solutions ...

Page 20: ...to The Menu Bar on page 1 17 and The Softkey Panels on page 1 18 Instrument setup A source signal must be present at the input of the optical spectrum analyzer In this procedure a Fabry Perot laser is used as the source You can use another source or the optional 1310 1550 nm EELED If another source is being used the display will differ from those shown To set the OSA to a known state Press the fro...

Page 21: ...ectrum analyzer Be sure to follow the good connector practices described in Cleaning Connections for Accurate Measurements on page 6 8 2 Enable the source Press Markers Peak Search to find the peak signal power 3 Press the front panel Auto Align key to optimize the detection of the incoming signal This takes a few moments to complete To perform a peak search 4 Press the front panel Auto Meas key t...

Page 22: ...bandwidth markers delta markers and noise markers The marker currently being displayed is a normal marker In the next step we will use it as a delta marker 5 Press the front panel Markers key 6 Press the More Marker Functions softkey 7 Press the Delta Marker softkey to activate the delta marker and the active function area 8 Use the knob step keys or numeric entry pad to move the delta marker 9 Th...

Page 23: ... Getting Started Making a Measurement Printing the display 10 Press the Print key to print a copy of the display The output will be sent to the internal or external printer depending on the printer selected ...

Page 24: ...ptions drop down menus Each menu selection includes a descriptive label Action Indicates the selection will perform an action such as making a measurement or printing the display Panel Indicates the selection will open a softkey panel The File Menu The Measure Menu The Applications Menu The Options Menu ...

Page 25: ...ection includes brief descriptions of the following menus See Chapter 3 Function Reference for additional information on each of the OSA functions The Amplitude Menus 1 19 The Applications Menus 1 20 The Bandwidth Sweep Menus 1 22 The Markers Menus 1 23 The Save Recall Menus 1 24 The Systems Menus 1 25 The Traces Menus 1 27 The Wavelength Menus 1 28 ...

Page 26: ...1 19 Getting Started The Softkey Panels The Amplitude Menus You can access the Amplitude softkeys using the front panel Amplitude key or the Measure menu Amplitude selection on the menu bar ...

Page 27: ...tions Appl s softkeys by using the front panel Appl s key or the Applications menu Launch an Installed Application section on the menu bar For a complete description of the applications refer to the Agi lent 86140B Series Measurement Applications User s Guide that came with your instrument ...

Page 28: ...1 21 Getting Started The Softkey Panels ...

Page 29: ...ting Started The Softkey Panels The Bandwidth Sweep Menus You can access the Bandwidth Sweep softkeys by using the front panel Band width Sweep key or the Measure menu Bandwidth Sweep selection on the menu bar ...

Page 30: ...1 23 Getting Started The Softkey Panels The Markers Menus You can access the Markers softkeys by using the front panel Markers key or the Measure menu Markers selection on the menu bar ...

Page 31: ...s The Save Recall Menus You can access the Save Recall softkeys and setup panels by using the drop down File menu Save Recall selection or the front panel Save Recall key Use these functions to save recall and print the measurement results ...

Page 32: ...1 25 Getting Started The Softkey Panels The Systems Menus You can access the System softkeys by using the front panel System key or the Options menu System selection on the menu bar ...

Page 33: ...1 26 Getting Started The Softkey Panels The Systems Menus continued ...

Page 34: ...1 27 Getting Started The Softkey Panels The Traces Menus You can access the Traces softkeys by using the front panel Traces key or the Measure menu Traces selection on the menu bar ...

Page 35: ...1 28 Getting Started The Softkey Panels The Wavelength Menus You can access the Wavelength softkeys by using the front panel Wavelength key or the Measure menu Wavelength selection on the menu bar ...

Page 36: ...er any circumstances look into the optical output or any fiber device attached to the output while the laser is in operation This system should be serviced only by authorized personnel Do not enable the laser unless fiber or an equivalent device is attached to the optical output connector C AUT IO N Use of controls or adjustments or performance of procedures other than those specified herein can r...

Page 37: ...n Passive Component Test Application Amplifier Test Application Source Test Application Alternative Connector Interface FC PC HMS 10 DIN ST SC Opt 001 Opt 002 Opt 004 Opt 005 Opt 006 Opt TRCa Included Included Included Included Standard Opt 011 Opt 013 Opt 014 Opt 017 a Option available for 86146B only Opt 006 Not Applicable Included Included Included Included Standard Opt 011 Opt 013 Opt 014 Opt ...

Page 38: ... Kingdom 8120 8705 1 901 Power Cord Australia New Zealand China 8120 0696 1 902 Power Cord Europe 8120 1692 1 903 Power Cord United States 8120 1521 1 906 Power Cord Switzerland 8120 2296 1 912 Power Cord Denmark 8120 2957 1 917 Power Cord South Africa India 8120 4600 1 918 Power Cord Japan 8120 4754 1 919 Power Cord Israel 8120 5181 1 920 Power Cord Argentina 8120 6868 1 921 Power Cord Chilean 81...

Page 39: ... 9 µm 62 5 µm 62 5 µm 86144B 86146B 9 µm 62 5 µm 9 µm 9 µm 9 µm 50 µm 9 µm a Options 002 004 and 005 are exclusive b Only one option is available on the 86141B Agilent Benchtop OSA 86140B 86141B 86142B 86146B Agilent Portable OSA 86143B 86144B 86145B Printer Paper 5 rolls box 9270 1370 9270 1370 Additional Connector Interfaces See Agilent 81000 series See Agilent 81000 series External 10 dB Attenu...

Page 40: ... Panel Fiber Optic Adapters Front Panel Fiber Optic Adapter Description Agilent Part Number Diamond HMS 10 08154 61701 FC PCa a The FC PC is the default front panel optical connector 08154 61702 SC 08154 61708 DIN 08154 61703 ST 08154 61704 Biconic 08154 61705 ...

Page 41: ...1 34 Getting Started Product Options and Accessories ...

Page 42: ...2 Setting Up Measurements 2 2 Calibrating Wavelength Measurements 2 14 Saving Recalling and Managing Files 2 19 Analyzing Measurement Data 2 27 Analyzer Operating Modes 2 30 Using the Instrument ...

Page 43: ...g information that will help you set up a wavelength measurement Adjusting Setup Conditions Operating the Internal White Light Source Averaging Traces Setting Video Bandwidth Using Span to Zoom In Setting the Sensitivity Triggering a Measurement Moving the Active Function Area Indicating an Update is Needed ...

Page 44: ... to field in the dialog box The high lighted parameter can be changed The front panel number keys step keys and knob allows the user to enter a numeric value in the highlighted field Select selects the highlighted parameter You can enter values for a selected parameter using the front panel knob or numeric entry pad Defaults resets the parameters to their default condition Close Panel saves the cu...

Page 45: ... have an amplitude stable broadband light source Although a white light source provides the wid est wavelength input for stimulus response measurements you can also use an LED or the spontaneous emission from an optical amplifier The displayed response is a convolution of the analyzer s resolution bandwidth and the amplitude response of the device under test Because of this convolu tion the analyz...

Page 46: ...ing the Instrument Setting Up Measurements 1 Connect the Light Source Output to the Monochromator Input using the short 62 5 125 µm fiber The standard connector interface is FC PC log A B è ø æ ö log A log B ...

Page 47: ...This would result in a long measurement time where trace averaging would be faster Refer to Averaging on page 3 14 1 From the front panel press Traces Averaging 2 Toggle to select the Averaging on or off 3 Select from the 10 20 50 or 100 softkeys or use the knob step keys or numeric entry pad to enter the desired average count N o t e For measurements with fast polarization scrambling video filter...

Page 48: ...narrow a digital video bandwidth as possible in order to achieve maximum sensitivity for the chosen sweep time This exception only applies when both sweep time and video bandwidth are auto coupled Sample detection displays a filtered version of the sampled data at the end of each trace point interval The filter function is varied with the video band width function from 100 mHz to 3 0 kHz or the ba...

Page 49: ...eo bandwidth the longer the sweep time 1 From the front panel press Bandwidth Sweep Video BW 2 Toggle to select the video bandwidth automatically or manually 3 Use the knob step keys or numeric entry pad to enter the desired value N o t e For measurements with slow polarization scrambling use trace averaging to improve measurement repeatability Trace averaging is faster than video filtering for th...

Page 50: ...ree sweeps in three different gain stages to make the measurement This depends on the settings for sensitivity reference level auto range and also the particu lar device being measured The final data trace is a blended composite of each trace taken in the different gain stages An increase in sensitivity may also require a narrower video bandwidth which will slow the sweep speed Normally the optica...

Page 51: ...atible signal with a minimum of 0 Vdc and a maximum of 5 V Gated triggering ignores the spectrum when the trigger input is low It usually is used in conjunction with the Max Hold function during several sweeps Gated triggering is used to select data samples containing valid information When the gating signal is high the data sample is accepted When the gating signal is low the data sample is repla...

Page 52: ...l the gaps because the high and low levels of the gating signal occur independent of the grating position Gated triggering has no time limit for the high or low level It can be used to characterize pulses as narrow as a few microseconds or to obtain a spectrum whose timing exceeds the maximum 6 5 ms delay of the ADC trigger mode 1 On the front panel press Bandwidth Sweep More BW Sweep Functions Tr...

Page 53: ...ht different loca tions This allows you to place the active area in a location that will not inter fere with the trace information Refer to Active Function Area Assist on page 3 2 1 Press the front panel System key 2 Press the Move Active Area softkey Each press of the softkey moves the active function area to one of eight onscreen locations ...

Page 54: ... tor to on start wavelength stop wavelength sensitivity auto manual auto range enable disable sensitivity video bandwidth auto manual resolution bandwidth video bandwidth gated sweep enable disable sweep continuous single sweep time auto manual sweep time sweep trace length reference level dB per division reference level position Y scale linear log mode amplitude correction enable disable current ...

Page 55: ...he 86140X Series Optical Spectrum Analyzers Literature part number 5980 0043E Overview Wavelength calibration routines improve wavelength accuracy by determining errors and correcting them with offsets using linear interpolation when neces sary For maximum wavelength accuracy calibration points spaced a maxi mum of 10 nm apart are recommended You can perform a wavelength calibration by using one o...

Page 56: ...ation time for an internal calibration but will pro vide enhanced wavelength accuracy over the full range Manual method using the internal calibrator 1 Access the EWC setup panel System More System Functions Service Menu Adv Service Functions More Adv Service Menu Enhanced Wvl Cal Setup 2 Enable the function if necessary and select the desired calibration range 3 Clean all connectors and connect t...

Page 57: ...method using an external source 1 Connect the external source to the OSA input 2 Auto align the OSA to the input signal 3 Access the Wavelength Calibration setup panel System Calibration Wavelength Cal Setup 4 Select Air or Vacuum reference for the signal source 5 Set the signal source to External 6 Select the desired Calibration Wavelength This wavelength must be within 2 5 nm of the source wavel...

Page 58: ... executed on a external PC con troller The steps outlined are those written in the program 1 A signal is sent from a tunable laser source into a multi wavelength meter and the OSA simultaneously 2 The wavelength of the input signal is measured on both instruments 3 The two measured values are compared 4 Taking the multi wavelength meter readings as actual the software calculates the error offsets ...

Page 59: ...t option before running the single point calibration To insure this offset process has provided sufficient accuracy the wavelength readings of the multi wavelength meter and the OSA should be compared to verify the wavelength accuracy and determine if a full multipoint wavelength recalibration is necessary ...

Page 60: ...storing the Internal Memory Saving Measurement Trace Data Recalling Measurement Trace Data File Sharing and Printing over a Network Adding a Title to the Display Refer to Title Display Setup Panel on page 3 92 and to Date Time Dis play Setup Panel on page 3 20 1 Press the front panel System key 2 Press the Set Title softkey The Title Setup panel appears The Title Setup panel 3 To view the title on...

Page 61: ...h a new image Any existing files or catalogs on the floppy disk will be destroyed Any successive backup operations will overwrite the previous backup informa tion so only the latest backup information can be recovered through the Re store Internal Memory operation Restore Internal Memory The analyzer Restore Utility screen appears This operation will remove all files from internal memory and repla...

Page 62: ...up Panel Selections Save Measurement Saves the measurement data in a binary format dat file This includes the traces and all measurement conditions The dat file format can only be read by the analyzer You will not be able to view this file on your PC When the file is recalled the instrument state will be set to the same state as when the file was saved Save Trace s Only The Trace s Only files are ...

Page 63: ...form graphic standard GIF formats are commonly used on many different platforms and readable by many different kinds of software The file is saved with gif extension GIF supports up to 8 bit color 256 colors Save to Allows you to choose between saving data to a floppy disk or to internal mem ory File Name Selects manual or automatic mode for choosing a file name 4 If you have chosen Auto to select...

Page 64: ...t softkey Select the BackSpace function to delete individual letters Select the Clear Line function to delete the entire filename When you finish entering the filename press the SAVE FILE softkey Entering a Filename using an External Keyboard There must be a PS 2 keyboard connected to the analyzer prior to bootup Press TAB on the keyboard to highlight the entry field Enter the filename using the k...

Page 65: ...he measurement state previously saved as FASTSAVE dat by the Fast Meas Save function N o t e The auto span value will not be saved with the measurement Recalling Measurement and Trace Data N o t e To insure accurate measurements a wavelength calibration should be performed each time measurement data is recalled from memory 1 Press the front panel Save Recall key 2 Press the Recall Menu softkey 3 T...

Page 66: ... a floppy disk or from internal memory 4 When you are satisfied with your selections press the Choose File to Recall softkey The Catalog setup panel opens The Catalog setup panel 5 Use the arrow keys or Prev File Next File softkeys to highlight the desired file Press RECALL FILE to load the selected file ...

Page 67: ...GPIB Network Setup User Share Identity 3 Enter the User Name Password and Workgroup Use the keyboard to enter the information or press Edit Field to access the User Workgroup Setup panel then close the panel 4 From the Network Setup press File Share and enter the Share Path and optional IP address The format of the share path is server share name Please note that you cannot specify directories wit...

Page 68: ...ker Search Menu on page 3 38 Marker Setup on page 3 39 and More Marker Func tions on page 3 45 Markers are always placed on the currently selected active trace Therefore use the Active Trace function to activate the desired trace then select an active marker to be placed on that trace When multiple markers are currently used on multiple traces the Marker Sta tus area located at the top of the disp...

Page 69: ...uring the Difference between Traces The following procedure shows you how to find the amplitude and wavelength difference between the maximum peaks of two different traces Refer to Nor mal Delta Marker Interpolation Marker Setup Panel on page 3 50 1 From the front panel press Markers Active Trace and select the first trace to place a marker 2 Press Active Marker Mkr 1 Peak Search to place the mark...

Page 70: ... Sweep to update Trace A then press Traces Update A off 3 Press Active Trace TrB 4 Press Sweep Repeat Sweep On to continuously update the measured response on Trace B 5 Press Traces Trace Math Default Math Trace C Log Math C A B You can now monitor the wavelength drift of your device over time Also Refer to Log Math C A B on page 3 35 Log Math C A B on page 3 35 and Log Math F C D on page 3 36 ...

Page 71: ... has low polarization dependent loss PDL adjustable filter bandwidth and a wide tuning range 1 Switch to filter mode by pressing Appl Measurement Modes Filter Mode 2 Select a filter bandwidth in the BW sweep Res BW menu 3 Select an active tuning marker and tune it to a wavelength position The filter marker becomes the current marker and has the active area focus All other markers stay on In the fi...

Page 72: ...n change the filtered output preselection wavelength by adjusting the marker s position then connecting the monochromator output to another instrument If the input spectrum changes reconnect the mono chromator output then press the Take Sweep softkey to capture a new sweep The single mode filter can be used in conjunction with the Agilent 86130A bit alyzer error performance analyzer and or the Agi...

Page 73: ...bandwidth Resolution bandwidth is Marker 1 Filter mode functions available Exit recalls the last selected state parameters prior to entering filter mode 86144B 86146B Unique Operation External 9 µm Fiber Connection Filter mode initialization No default settings Markers used Filter marker is the normal noise marker OSNR marker is the center marker Bandwidth marker is the center wavelength marker Fu...

Page 74: ...tor output connected to the photodiode input or to preserve previous align da ta Switch Path Auto Align Now switches to the 9 µm filter mode path and performs an Auto Align This aligns the output of the monochromator with the photodetector input for improved amplitude accuracy The automatic align ment procedure should be performed whenever the instrument has been moved subjected to large temperatu...

Page 75: ... 0 1µm 0 2 µm 0 3 µm 0 5 µm 1 µm 2 µm 5 µm and 10 µm 6 Press Take Sweep to update the display to show the results of the new resolution bandwidth filtering The light is output from the optical spectrum analyzer s front panel monochro mator output connector This light is filtered by the resolution bandwidth and attenuated by the monochromator loss light that is input to the front panel optical inpu...

Page 76: ...ode is entered the sweep stops with the analyzer fix tuned at the center wavelength If a marker is on the analyzer is fix tuned at the marker wavelength The last trace remains displayed to show the input spectrum before the filtering A marker shows the wavelength of the preselec tion You can change the filtered output preselection wavelength by adjust ing the marker s position If the input spectru...

Page 77: ...e displayed trace with valid waveform data 7 Press Previous Menu to return to normal optical spectrum analyzer operation To use a single mode output cable This procedure ensures the best launching of the output light from the 50 µm monochromator output connector into a 9 µm fiber optic cable 1 Connect the light source to the optical spectrum analyzer s front panel monochromator input connector Use...

Page 78: ...ength and fiber type cross talk caused by chirp due to closely spaced channels A measurement could show the modulated signal square wave and the chirp The chirp fluctuates with time and the frequency change seen at the falling and rising edge of the time domain The time resolved chirp solution measures intensity versus time frequency versus time calculates the alpha factor The alpha factor is also...

Page 79: ...2 38 Using the Instrument Analyzer Operating Modes ...

Page 80: ...3 Function Reference ...

Page 81: ...ctive function area to the first or top softkey function When this function is on the active area is automatically set For example when you press the front panel Wavelength key the active function area assist will set the active function to the Center WL You can immediately enter the desired center wavelength without pressing the Center WL softkey If this function is off the active dialog box will...

Page 82: ...ces on page 2 28 Key Path Markers Active Marker Related Functions Active Trace Peak Search Pit Search Marker to Center Marker to Refer ence Level Remote Commands CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 STATe CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 AOFF Active Trace Accesses the menu that allows you to select an active trace for viewing updat ing or storing The trace must be active before you can put a m...

Page 83: ...grate limit search limit sweep limit trace integ Key Path Markers More Marker Functions Line Marker Menu Advanced Line Mkr Functions Agilent Logo Display Setup Panel Accesses the panel that allows you to turn the Agilent logo on or off When this function is on the Agilent logo appears on the display s upper left corner of the graticule and on printouts Key Path System More System Functions Display...

Page 84: ...Markers Active Marker All Off Remote Commands CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 AOFF Amplitude Accesses the menu of keys that allow you to control the instrument s sensitiv ity and amplitude scales The function keys include amplitude setup display mode peak to ref level reference level scale div sensitivity trace integ Key Path Amplitude ...

Page 85: ...Amplitude Setup panel that allows you to specify amplitude related functions amplitude correction mode amplitude correction sel amplitude units auto chop mode auto ranging auto zero power calibration reference level position user power cal date The Amplitude Setup panel ...

Page 86: ...key panel Amplitude Units Selecting Auto for amplitude units allows power to be shown in dBm when using the logarithmic scale and in watts when using the linear scale Selecting W forces the immediately displayed information to be in watts regardless of the amplitude scaling Auto Ranging The Auto Range function allows the OSA to automatically change the gain of the transimpedance amplifier during a...

Page 87: ...hop mode Chop mode increases dynamic range stabilizes measurements against drift and reduces effects of stray light This special chop mode is enabled by setting the Auto Chop mode to on Power Calibration Power Calibration allows you to use amplitude correction factors either from the factory calibration or from the last successful user calibration Pressing the front panel Preset key resets this fu...

Page 88: ...ion Remote Commands on page 5 16 for an overview of the amplitude correction remote commands Key Path Amplitude Amplitude Setup Related Functions Reference Level Sensitivity Remote Commands Amplitude Display Mode DISPlay WINDow TRACe Y SCALe LINear DISPlay WINDow TRACe Y SCALe LOGarithmic Amplitude Units UNIT POWer Auto Zero CALibration ZERO Reference Level Position DISPlay WINDow TRACe Y SCALe RP...

Page 89: ...warmed up at the start of each day The automatic alignment requires the connection of an external broadband or narrowband light source If there is insufficient signal power the automatic alignment will not be performed and an error message will be reported The auto align function saves and restores the current instrument state This allows the auto align function to be used in the middle of a measu...

Page 90: ...3 nm for the single mode fiber and 25 nm for the multi mode fiber N o t e Error 5001 Auto align cannot find input signal will occur if a broadband light source is not connected to the front panel input connector Error 5070 Trajectory Add Failed will occur if the trajectory table is full or the computed trajectory table is invalid Key Path Systems More System Functions Service Menu Adv Service Func...

Page 91: ...ets the vertical scale to be used after performing the auto measure function If auto is specified the measurement function sets the vertical scale to a value based on the dynamic range of the signal If a particu lar vertical scale is desired deselect auto and put the desired dB div in the dB dialog box The default selection for dB div is auto AutoMeas at Marker turns the auto measure marker on or ...

Page 92: ...he final trace data is a blended composite of each trace taken in the different gain stages N o t e The sweep time ST that is displayed in the lower portion of the display is the time that it takes for the OSA to sweep over one gain stage The OSA may take up to three sweeps in three different gain stages to make the measurement This depends on the settings for sensitivity reference level auto rang...

Page 93: ...on You can run this more complete routine anytime by pressing the Zero Now System More System Functions Service Menu Adv Ser vice Functions Zero Now softkey Key Path Amplitude Amplitude Setup Auto Zero Related Functions Zero Now Remote Commands CALibration ZERO Averaging When averaging is on you can select the number of measurement sweeps to be averaged using the 10 20 50 100 softkeys You can also...

Page 94: ...y on page 2 20 A screen appears asking you to insert a formatted floppy disk into the floppy drive The disk will not be viewable on a PC and no trace or measurement files can be saved onto the disk until it is reformatted The backup internal memory function overwrites the floppy disk with a new image so only the latest backup information can be recovered through the Restore Internal Memory operati...

Page 95: ...re negative then the NDB value For positive NDB values the bandwidth markers will be at values clos est to and more positive than the NDB values This will typically result in a wider bandwidth measurement Key Path Markers Marker Setup Bandwidth Marker Interpolation Related Functions Active Marker Delta Marker Bandwidth Marker Remote Commands CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 FUNCtion BANDwidth ...

Page 96: ...rmed power calibration and the date of the last successful user performed power calibration It also allows you to set the calibration power and wave length used for the next calibration Refer to Calibrating Wavelength Mea surements on page 2 14 Set Calibration Power is the exact amplitude of the calibration source that will be used for the next power calibration The power entered must be within 10...

Page 97: ...um 5 nm spacing between points for the external sin gle mode fiber Agilent 86144B 86146B only N o t e Error 5056 Trajectory align cannot find input signal will occur if a broadband light source is not connected to the front panel input connector Error 5060 Trajectory align failed will occur if the align procedure failed Key Path System More System Functions Service Menus Adv Service Functions More...

Page 98: ...gth CENTer STEP INCRement Configure Network Starts a utility that allows you to enable and configure networking Enter this menu only if you have all the necessary networking parameters Refer to File Sharing and Printing over a Network on page 2 26 Key Path System More System Functions GPIB Network Setup Configure Net work Current GPIB Address Remote Setup Panel Displays the GPIB address currently ...

Page 99: ...Se STATe ON OFF Date Time Display Setup Panel Turns the date and time on the display on or off When on the date and time will appear on the display s lower right corner of the display and on printouts Key Path System More System Functions Display Setup Related Functions SYSTem TIMe Default Math Trace C Defines the math expression to be used and turns the math operation on C ALOG B C ALOG B C ALIN ...

Page 100: ...Traces Trace Math Off Default Math Trace F Remote Commands CALCulate6 MATH STATE OFF ON 0 1 Delete From Delete Setup Panel Selects whether to delete a file from a floppy disk internal memory or a net worked file share Key Path Save Recall Delete Menu Delete File From Remote Commands MMEMory DELete Delete Menu Accesses the Delete Setup panel that allows you to delete files from a floppy disk intern...

Page 101: ...ta marker N o t e For Agilent 86144B 86146B only if filter mode is enabled the noise marker delta marker and OSNR marker are disabled Key Path Markers More Marker Functions Delta Marker Remote Commands CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 FUNCtion DELTa STATe Delta Marker Units Marker Setup Panel Sets the delta marker X axis readout for frequency or wavelength when the instrument is in a non zero ...

Page 102: ...Near LOGarithmic Display Setup Accesses the display setup panel selections which include active function area assist Agilent logo date time filter mode instrument panels path change instrument panel title The Display Setup panel Setup panel selections Agilent Logo When this function is ON the Agilent logo is shown on the display and print outs Date Time Turns the date and time ON or OFF on the dis...

Page 103: ...solution bandwidth This means you can immediately enter the desired resolution bandwidth There is no need to press the Res BW softkey Path Change Instructions Panels For the Agilent 86144B 86146B Filter Mode only Allows the choice of disabling the external path align setup instructions Filter Mode instruction Panels For the Agilent 86144B 86146B Filter Mode only Allows the choice of disabling the ...

Page 104: ...ce and Trace B with Trace C Key Path Traces Trace Math Exchange Menu Remote Commands TRACe EXCHange Factory Preset IP Performs an instrument preset and clears user settings that are not affected by Preset That is alignment settings user calibration multipoint amplitude correction data User trace and measurement files will be maintained See Preset on page 3 65 Key Path System More System Functions ...

Page 105: ...l function Only one FASTSAVE dat file exists so performing a Fast Meas Save will overwrite any currently existing Fast Save file Refer to Saving Data in Fast Meas Save Mode on page 2 20 Key Path Save Recall Fast Meas Save Related Functions Save Fast Meas Recall File Name Save Setup Panel Selects automatic or manual mode for saving a filename When Auto is selected the measurement is automatically n...

Page 106: ...sed and shared among the users To access the file and printer share softkeys you must first configure the net work refer to Connecting to the OSA over the Network on page 4 6 and enter the user share identity user profile information for remote shares refer to File Sharing and Printing over a Network on page 2 26 The softkeys for file and printer share will then become available for selection N o ...

Page 107: ...the resolution bandwidth setting Narrower resolution bandwidth settings will filter the signal more If the reso lution bandwidth is changed Filter Marker Tune must be reselected to tune the monochromator Marker movement will not tune the monochromator unless Marker Tune is active The front panel single mode preselector monochromator connector allows the channel drop capability to the Agilent 86130...

Page 108: ...ng marker can be selected and tuned to the wavelength position The filter marker becomes the current marker and has the active area focus All other markers stay on Refer to Analyzing Measurement Data on page 2 27 for further information Also see Filter Mode on page 2 35 Key Path Appl s Measurement Modes Filter Mode Remote Commands INSTrument SELect FILTER Filter Mode Instruction Panels For the Agi...

Page 109: ...re upgrade kit visit or web site at http www agilent com cm rdmfg osa downloads 8614xafirmware shtml Key Path System More System Functions Service Menu Firmware Upgrade Format Floppy Disk Formats a 3 5 1 44 MB floppy disk The instrument does not support format ting 2 0 MB floppy disks Refer to Saving Recalling and Managing Files on page 2 19 Key Path Save Recall Format Floppy Disk ...

Page 110: ...et up networked file and printer shares on the analyzer GPIB Address Configure Network User Share Identity File Shares Printer Shares Key Path System More System Functions GPIB Address Network Setup Help Accesses error queues for hardware errors critical errors notices and warn ings once an error queue is accessed Also displays the instrument s current firmware revision Refer to Firmware Upgrade o...

Page 111: ...ne turns the Hold function off Key Path Traces Hold None Min Max Remote Commands CALCulate 1 2 3 4 5 6 MAXimum STATe CALCulate 1 2 3 4 5 6 MINimum STATe Integrate Limit Calculates the power between Wavelength Marker 1 and Wavelength Marker 2 when the trace integration function is on Once wavelength markers have been turned on the total power integration marker search and wavelength sweep may be in...

Page 112: ...ons Current Source Setup Remote Commands SOURce CATalog SOURce STATe Line Marker Menu Accesses the following line marker functions Advanced Line Mkr Functions Line Markers Off Wavelength Line Mkr 1 Wavelength Line Mkr 2 Key Path Markers More Marker Functions Line Marker Menu Line Markers Off Turns off all line markers and line marker functions Key Path Markers More Marker Functions Line Marker Men...

Page 113: ...aces Trace Math OFF Default Math Trace C Lin Math C A B Remote Commands CALCulate3 MATH EXPRession TRA TRB Lin Math C A B Adds Trace A and Trace B point by point then stores the results in Trace C in linear units The results of this function often require a reference level adjust ment Trace A is placed in View On mode Trace math is mainly used to nor malize the display during stimulus response mea...

Page 114: ... dB Because this is off screen the refer ence level will need to be adjusted Key Path Traces Trace Math OFF Default Math Trace C Log Math C A B Related Functions Log Math C A B Log Math F C D Remote Commands CALCulate3 MATH EXPRession TRA TRB Log Math C A B Adds Trace A and Trace B point by point then stores the results in Trace C in logarithmic units The results of this function often require a r...

Page 115: ...traction are referenced to 0 dB This often requires a reference level adjustment For example if the reference level is set at 40 dBm Trace D is at 50 dBm and Trace C is at 55 dBm the F C D function places Trace F at 5 dB Because this is off screen the reference level will need to be adjusted Key Path Traces Trace Math OFF Default Math Trace F Log Math F C D Related Functions Log Math C A B Log Mat...

Page 116: ...lected value an error message such as BW not found will be displayed See Using Span to Zoom In on page 2 8 Key Path Markers More Marker Functions Marker BW Related Functions Peak Search Remote Commands CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 FUNCtion BANDwidth STATe CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 FUNCtion BANDwidth INTerpolate 0 5 dB 3 dB 6 dB 10 dB 20 dB CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 FU...

Page 117: ...u Marker Search Threshold Value Marker Setup Panel Sets the amplitude threshold value used for limiting the marker search func tion Any peaks below the threshold value will be ignored When the Marker Search Threshold is on a dotted line is shown on the display at the threshold level The Use Marker Search Threshold function in the Marker Setup Panel must be enabled or the Marker Search Threshold Va...

Page 118: ...u can make changes to Bandwidth Marker Interpolation On Off BW Marker Units Delta Marker Units Marker Search Threshold Value Noise Marker Reference Bandwidth Normal Delta Marker Interpolation On Off Normal Marker Units OSNR Noise Peak Excursion Peak Search at End of Each Sweep On Off Pit Excursion Use Marker Search Threshold The Marker Setup panel ...

Page 119: ...ation Turns the normal delta marker interpolation on or off When interpolation is ON the normal delta markers will be placed at the exact wavelength or fre quency value selected if it is within the trace range The marker will linearly interpolate between two trace data points The default state is off This setting controls the interpolation state for all four markers when in the normal or delta mod...

Page 120: ...id signals near the noise floor when the peak excursion definition is less than 3 dB Thus before performing peak searches on signals near the noise floor reduce the peak excursion value However reducing the excursion value often causes peak searches to identify noise spikes To avoid this misidentification use video averaging or video filtering to reduce the noise floor variance to a value less tha...

Page 121: ... on the display at the threshold level Marker Search Threshold Value Selects the amplitude threshold value used for limiting the marker search function Noise Marker Reference Bandwidth Sets the normalization bandwidth for the noise and OSNR marker There are two allowable settings 1 nm and 0 1 nm Peak Search at End of Each Sweep Finds the peak value of the trace and moves the active marker to the p...

Page 122: ...to Auto or Pit Key Path Markers Marker Setup Marker to Center Changes the center wavelength to the wavelength of the active marker Key Path Markers Marker to Center Remote Commands CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 SCENter Marker to Ref Level Changes the reference level to the amplitude of the active marker Key Path Markers Marker to Ref Level Remote Commands CALCulate 1 2 3 4 5 6 MARKer SRLeve...

Page 123: ...ctor wave length Press Take Sweep to update the displayed response at any time The amount of filtering is determined by the resolution bandwidth setting If the resolution bandwidth is selected Marker Tune must be reselected to tune the monochromator Marker movement will not tune the monochromator unless Marker Tune is active Key Path Appl s Measurement Modes Filter Mode Marker Tune Remote Commands...

Page 124: ...er mode Remote Commands INSTrument NSELect INSTrument SELect More Marker Functions Accesses the following marker search functions delta marker marker BW marker search menu OSNR marker noise marker Key Path Markers More Marker Functions More System Functions Accesses the following functions auto measure setup display setup GPIB network setup service menu set time date state info Key Path System Mor...

Page 125: ...es the power meter mode display area to one of eight on screen locations Key Path Appl s Measurement Modes Power Meter Mode Move Power Display Area Remote Commands DISPlay WINDow 1 POPup 1 2 3 4 ALL OFF ON1 2 Multi Point Align Accesses the internal external and multi point alignment functions auto align add to trajectory auto align preset calibrator multi pt align marker tune user source multi pt ...

Page 126: ... and threshold cri teria If the specified marker is off it will be turned on and placed at the cen ter wavelength The search for the next maximum will reference that point Key Path Markers More Marker Functions Marker Search Menu Next Peak Remote Commands CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 MAXimum NEXT Next Peak Left Places the marker on the next peak located at a lower X axis value usually wave...

Page 127: ...avelength than the current marker position This pit must meet the pit excursion and threshold criteria If the specified marker is off it will be turned on and placed at the center wavelength or frequency Key Path Markers More Marker Functions Marker Search Menu Next Pit Remote Commands CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 MINimum LEFT Next Pit Right Places the marker on the next pit located at a h...

Page 128: ... Next Pit Remote Commands CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 MINimum NEXT Noise Marker Measures the spectral power density at the position of the active marker The measurement is referenced to 0 1 nm or 1 0 nm reference bandwidth The ref erence bandwidth used to normalize the noise is selected on the marker setup panel N o t e For Agilent 86144B 86146B only if filter mode is enabled the noise ma...

Page 129: ...l or delta mode Key Path Markers Marker Setup Normal Delta Marker Interpolation Related Functions Active Marker Delta Marker Remote Commands CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 INTerpolation Normal Marker Units Marker Setup Panel Sets the marker X axis readout for frequency or wavelength when the instru ment is in a non zero span The X axis default units is nm nanometers This setting controls onl...

Page 130: ... The center marker is positioned at the closest peak to the active marker The location of the noise markers is determined by the selection of the Noise Method and the center marker The noise measurement is referenced to 0 1 nm noise resolu tion bandwidth N o t e For Agilent 86144B 86146B only if filter mode is enabled the noise marker marker BW delta marker and OSNR marker are disabled noise marke...

Page 131: ...l Next the values are linearly interpolated to determine the noise value at the channel wavelength Error Messages OSNR error messages are displayed in red letters and are described below with suggestions to correct the error Noise Not Found can be displayed for two different conditions The first condition occurs when Pit mode is selected and the left or right marker is unable to find a pit using t...

Page 132: ...t manual when you select auto mode to adjust the offset Center Not Found and OSNR Not Valid occurs if no signal or peaks are found OSNR Not Found occurs if the noise level is higher than the signal level Tip If no signal or no peaks are found error occurs reduce the peak excur sion and or threshold values If the noise level if higher than the signal level change to Pit Mode or manually adjust the ...

Page 133: ...3 54 Function Reference OSNR Marker Center Not Found error message Key Path Markers More Marker Functions OSNR Marker Remote Commands CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 FUNCtion OSNR STATe OFF ON 0 1 ...

Page 134: ...ype of sources displayed depends on the options installed See Light Source on page 3 33 Key Path System Options Remote Commands SOURce n STATe OSA Extended State Information Displays the OSA extended state information Align Pos Internal Align X Internal Align Y Internal Amp Corr Grat Offset Grating Order Hi Gain TransZ amplifier stage value Line Spacing Lo Gain TransZ amplifier stage value S1 Traj...

Page 135: ...ngth step You can print this information using the internal or external printer Key Path System More System Functions OSA State Path Change Instruction Panels For the Agilent 86144B 86146B Filter Mode only Allows the choice of disabling the external path align setup instructions Refer to Switch Path Auto Align Now on page 3 90 and to Switch Path No Auto Align on page 3 91 Key Path System More Syst...

Page 136: ...s defined as a rise and fall in the displayed response by at least the peak excursion value If peak excursion is set too high legitimate peaks may not be discerned as signals With lower val ues more signals will be discerned but peaks in the noise floor may also be discerned as signals To reduce the noise floor variance to a value less than the peak excursion rate try using video averaging and or ...

Page 137: ...the search to the left will begin from that point Next Peak Right Places the marker on the next peak located at a longer wavelength than the current marker wavelength position This next peak must meet the peak excursion and threshold criteria If the specified marker is OFF it will be turned ON placed at the center wavelength and the search to the right will begin from that point Active Marker Turn...

Page 138: ...ves the active marker to the peak at the end of each sweep This function operates on normal delta and band width markers Key Path Markers Marker Setup Peak Search at End of Each Sweep Remote Commands CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 MAXimum Peak to REF LEVEL Sets the value of the reference level equal to the value of the highest point on the active trace Key Path Amplitude Peak to REF LEVEL Re...

Page 139: ...race is to be considered a pit For marker search functions a signal pit is defined as having a fall and then a rise in the displayed response of at least the pit excursion value Reducing the pit excursion to values less than 3 dB may cause the marker pitting functions to identify noise spikes as pits To reduce the noise floor variance to a value less than the pit excursion rate try changing the re...

Page 140: ...ower calibration The power entered must be within 10 dB and 3 dB of the amplitude measured using the factory calibration Set Calibration Wavelength is the approximate wavelength of the calibra tion source that will be used for the next user power calibration The wave length entered must be within 2 5 nm of the wavelength measured using the factory calibration Power Calibration External Path enable...

Page 141: ...nt s photodetector This bypasses the internal monochromator and prevents any filtering by the resolution bandwidth filters With power meter mode you can perform the following measure total power of broadband light sources monitor power as a function of time Monitoring power enables you to observe both long and short term drift and to perform real time adjustments Power meter mode places the instru...

Page 142: ...ector to provide more accurate measurements Key Path Appl s Measurement Modes Power Meter Mode Power Meter Zero Related Functions Power display Power meter mode Remote Commands CALibration ZERO AUTO ONCE Power Meter Units For Agilent 86141B 86144B 86146B only Displays the power meter units automatically in watts or in dBm Key Path Appl s Measurement Modes Power Meter Mode Pwr Mtr Units Remote Comm...

Page 143: ...reset state With the settings as they would be after pressing the front panel Preset key For a list of parameter settings Refer to Preset on page 3 65 If Last state is selected the instrument will turn on with the settings as they were when the instrument was turned off This is equivalent to recalling a saved instrument state or measurement file Key Path System More System Functions Service Menu P...

Page 144: ...tio scale 10 dB div Amplitude units Auto Ratio unitsa Auto Amplitude correction Off Source mode Off Sensitivity Auto Video bandwidth Auto Auto range On Trans Z lock Off Repetitive sweep On Sweep time Auto Auto chop Off Gated sweep Off Trigger mode Normal ADC trigger delay 10 µs ADC sync out Off Sweep limit Off Trace length 1001 Current source pulse width 100 µs Current source duty cycle 100 Auto z...

Page 145: ...Marker 1 4 bandwidth Off Marker 1 4 bandwidth amplitude 3 dB Marker 1 4 delta Off Marker 1 4 noise Off Marker 1 4 delta marker units nm Current trace TRA Trace integration Off Trace integration limit Off Trace mean Off Trace mean limit Off Trace average count 100 Trace data formata ASCII TRA visibility On TRB TRF visibility Off TRA update On TRB TRF update Off TRA TRF min hold Off TRA TRF max hold...

Page 146: ...ares refer to File Sharing and Printing over a Network on page 2 26 The softkeys for file and printer share will then become available for selection N o t e Samba or Microsoft software must be installed to run the file share programs N o t e If networking is not configured the command will generate a Settings conflict error Key Path System More System Functions GPIB Network Setup Printer Shares Re...

Page 147: ...m memory Key Path Save Recall Recall Menu Recall Remote Commands Measurement RCL Trace Only MMEMory LOAD TRACe File Share MMEMory CATalog FSHare1FSHare2 FSHare3 FSHare4 Recall From Recall Setup Panel Selects whether the data is recalled from a floppy disk from internal memory or from network file share See Recalling Measurement and Trace Data on page 2 24 Key Path Save Recall Recall Menu Recall Fr...

Page 148: ...AD TRACe Reference Level Specifies the reference level value the maximum expected power to be mea sured at the reference level position The reference level position is indicated on the display by a dashed green line and the REF annotation on the display The default position is one major graticule division from the top of the display The reference level is entered in dBm Use the Amplitude Setup pan...

Page 149: ...ric keypad a terminator must be selected from the softkey panel Key Path Amplitude Amplitude Setup Reference Level Position Related Functions Amplitude Units Amp Display Mode Reference Level Scale Div Remote Commands DISPlay WINDow TRACe Y SCALe RLPOS Remote File Share Panel Uses the LAN local area network to store recall or delete data to remote hard drives The data can then be accessed and share...

Page 150: ...Key Path System More System Functions GPIB Network Setup Printer Shares Remote File Share Related Functions Remote File Share Remote Commands HCOPy DEVice PSHare 1 2 3 4 PATH param HCOPy DEVice PSHare 1 2 3 4 ADDRess param HCOPy DESTination SYSTem COMMunicate NETWork 1 2 3 4 Repeat Sweep Sweeps the spectrum continuously and updates the measurement data after each sweep Repeat Sweep ensures evenly ...

Page 151: ...7 nm 0 1 nm 0 14 nm 0 2 nm 0 33 nm 0 5 nm 1 nm 2 nm 5 nm 10 nm For 86144B 86146B external path 0 04 nm 0 05 nm 0 07 nm 0 1 nm 0 2 nm 0 3 nm 0 5 nm 1 nm 2 nm 5 nm 10 nm In Auto mode the resolution bandwidth is coupled to the span in a preset 0 01 1 ratio This means that the instrument attempts to set a bandwidth value that is 1 of the span setting You can alter this behavior by manually setting the...

Page 152: ...Nimum STATe Restore Internal Memory Accesses the instrument restore utility This operation will remove all existing files from internal memory that is measurement trace and specification sets and replace them with files from a floppy disk These files are created using the Backup Internal Memory function See Backing Up or Restoring the Internal Memory on page 2 20 Key Path Save Recall Backup Restor...

Page 153: ... saved The Trace s Only files are saved in comma separated variable csv format When the file is recalled the trace data is displayed under the current instru ment conditions If you choose to automatically name your file measurement data is saved to the filename ST_xxxxx dat and Trace s only is saved to the filename TR_xxxxx csv xxxxx represents a numbering system which is incremented each time the...

Page 154: ...many different platforms and readable by many different types of software This selection is only valid when saving to the floppy drive Key Path Save Recall Save Menu Save Graphics Remote Commands HCOPy DEVice LANGuage GIF CGM Save Setup Accesses the setup panel to configure the save settings file name create a file name automatically or manually network file path network file share save all measur...

Page 155: ...up The Save Setup panel Setup Panel Selections File Name Selects manual or automatic mode for choosing a file name The Filename Menu setup panel Network File Path Uses the LAN local area network to print to designated network printers ...

Page 156: ...at dat file This includes the traces and all measurement conditions When the file is recalled the instru ment state will be set to the same state as when the file was saved The Trace s Only option creates an ASCII csv file When the file is recalled the trace data will be displayed under the current instrument settings Save Graphics Allows you to save graphic data in one of two formats CGM Computer...

Page 157: ... File Path HCOPy DEVice PSHare 1 2 3 4 ADDRess param Network File Path HCOPy DESTination SYSTem COMMunicate NET Work 1 2 3 4 Save Recall Accesses function keys to save and recall measurement results See Saving Recalling and Managing Files on page 2 19 backup restore menu delete menu fast measure recall fast measure save format floppy disk recall menu save menu Key Path Save Recall Save To Save Set...

Page 158: ...per division of the vertical that is amplitude scale If Auto is specified in the Auto Measure Setup panel the measurement function sets the vertical scale based on the dynamic range of the signal If a particular ver tical scale is desired use the step keys or key pad to enter the desired dB div in the dB dialog box The amplitude scale can be set from 0 01 to 20 dB per division The Preset value is ...

Page 159: ...Advanced Line Mkr Functions Search Limit On Off Remote Commands CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 SRANge STATe Search Mode Peak Pit Allows you to select between peak and pit search modes The selection on the marker search menu will change depending on which of the two modes is selected Key Path Markers More Marker Functions Marker Search Menu Search Mode Remote Commands CALCulate 1 2 3 4 5 6 MA...

Page 160: ...lues outside of this range and the sensitivity will round to the nearest valid sensitiv ity See Setting the Sensitivity on page 2 9 Manual allows manual input of sensitivities and enables auto gain ranging The top of screen and the sensitivity setting determines the requested dynamic range The system will sweep once per gain stage and may require up to three sweeps to achieve the requested dynamic...

Page 161: ... sweep indicator will come on in the display area Since these settings interact it is recommended that only one of the settings be changed whichever setting is most important to the measurement task being performed Key Path Amplitude Sensitivity Related Functions Amplitude Setup Auto Ranging Reference Level Remote Commands Automatic SENSe POWer DC RANGe LOWer AUTO Manual SENSe POWer DC RANGe LOWer...

Page 162: ...19 Key Path System Set Title Remote Commands DISPlay WINDow 1 TEXT DATA Show Critical Errors Opens a window displaying critical errors You can print the queue clear the queue or page up and down to view the information If no errors are gener ated the function will be shaded Key Path System Help Show Critical Errors Related Functions Show Hardware Errors Show Notices Show Warnings or Revision Remot...

Page 163: ... Show HW Errors Related Functions Show Critical Errors Show Notices Show Warnings or Revision Remote Commands SYSTem ERRor Show Notices Opens a window displaying notices You can print the queue clear the queue or page up and down to view the information If no notices are generated the function will be shaded Key Path System Help Show Notices Related Functions Show Hardware Errors Show Critical Err...

Page 164: ...al Errors Show Notices or Revision Remote Commands SYSTem ERRor Single Mode Alignment For 86141B only Performs an auto align on the external signal path The external path from the monochromator output to the photo diode input must be connected before performing the auto align When Single Mode Alignment is selected follow the on screen instructions in the setup panel The Single Mode Fiber Alignment...

Page 165: ...apturing traces before processing them with math commands capturing traces before positioning markers Key Path Bandwidth Sweep Single Sweep Related Functions Repeat Sweep Remote Commands INITiate IMMediate Span Defines the wavelength measurement range for viewing the spectrum The span is set symmetrically about the center wavelength The resolution of the wavelength readout decreases with an increa...

Page 166: ...h Span Related Functions Start WL Stop WL Center WL Remote Commands SENSe WAVelength SPAN Start WL Sets the start wavelength The center wavelength and span are adjusted so that Use the knob step keys or numeric keys to enter the desired value If the instrument is in zero span this command sets the center wavelength to the value specified The default setting for start wavelength is 600 nm Key Path ...

Page 167: ... WL Related Functions Span Start WL Center WL Remote Commands SENSe WAVelength STOP Sweep Points Specifies the number of data points taken for a sweep The more data points the better the trace resolution but the longer the sweep time You can select from 3 to 10001 points Enter the number of data points using the step keys numeric key pad or knob The default is 1001 points Key Path Traces Trace Set...

Page 168: ...elationship is shown in the following equa tion The default number of trace points is 1001 so the maximum sweep time is normally 100 seconds When Sweep Time is in manual mode the sweep time can be set from 56 3 ms to a maximum of 1000 seconds If you change the number of trace points the maximum sweep time changes as well N o t e If the sweep time is set too fast an over sweep message appears indic...

Page 169: ...ror message will be reported The auto align function saves and restores the current instrument state This allows the auto align function to be used in the middle of a measurement rou tine If markers are turned on the auto align function attempts to do the automatic alignment at the wavelength of the active marker If the instrument is in zero span the alignment is performed at the center wavelength...

Page 170: ...to Align Now Remote Commands ROUTe PATH EXTernal System Accesses menus for changing displaying selecting and viewing the instru ment s functions Some of the functions available are shows HW and critical errors warnings and notices sets a title to the display displays the firmware revision sets printer setup moves the active function area displays the instrument state information changes the displa...

Page 171: ... title on or off When the title selection is on the title will appear on the display s top center of the graticule and on printouts Create a title in the Title Setup panel System Set Title Use the arrows step keys or knob to select the letters for the title See Adding a Title to the Display on page 2 19 Key Path System More System Functions Display Setup Remote Commands DISPlay WINDow TEXT DATA Tr...

Page 172: ...ge COUNt CALCulate 1 2 3 4 5 6 AVERage STATe Trace C Math Off Turns off Trace C math processing Key Path Traces Trace Math Off Default Math Trace C Trace C Math Off Remote Commands CALCulate3 MATH STATe Trace F Math Off Turns off Trace F math processing Key Path Traces Trace Math Off Default Math Trace F Trace F Math Off Remote Commands CALCulate6 MATH STATe CALCulate6 MATH EXPRession DEFine TRACe...

Page 173: ...p Limit Search Limit Remote Commands CALCulate TPOWer STATe Trace Math Accesses the menu that allows you to manipulate and compare traces by add ing or subtracting trace amplitude and display line data Trace Math charac terizes changes due to environmental stimulus and displays the cumulative effect of multiple devices When using trace math the traces must be obtained using identical wavelength sc...

Page 174: ...ect and control traces Some of the functions available are active trace averaging hold trace trace input trace math trace setup update trace view trace The instrument displays up to six traces A B C D E and F When the instru ment is first turned on trace A is the active trace TransZ 2 3 Lock Prohibits the instrument from using a transimpedance gain higher than the 10k ohm stage The default state f...

Page 175: ...mmands TRIGger SEQuence SLOPe TRIGger SEQuence SOURce Update A F On OFF When on the selected trace is updated after each sweep When off the trace data is not updated Key Path Traces Update Related Functions View A F Remote Commands SENSe SWEep POINts TRACe FEED CONTrol TRA TRB TRC TRD TRE TRF ALWays TRACe FEED CONTrol TRA TRB TRC TRD TRE TRF NEVer Use Marker Search Threshold On Off Marker Setup Pa...

Page 176: ...entity User Profile for Remote Shares Related Functions Printer Share Remote Commands SYSTem COMMunicate NETWork USERname param SYSTem COMMunicate NETWork PASSword param SYSTem COMMunicate NETWork WORKgroup param User Share Identity Opens a panel to fill in username password and domain Use the alphanu meric pad to complete the information After entering the information the file shares and printer ...

Page 177: ...tory table move the active marker to the specific wave length location and press Auto Align Add to Trajectory The Multi Pt Auto Align progress window opens indicating the percentage of completion and the approximate time required for the alignment process To cancel the align press the instrument preset key This table is interpolated to create a linear set of corrections If Auto Align is executed a...

Page 178: ...sary filtering that would reduce the sweep speed more than required See Setting Video Bandwidth on page 2 7 Normally the video bandwidth is coupled to the requested sensitivity Manu ally entering a video bandwidth sets Sensitivity to Auto The video bandwidth can be manually set from 100 mHz to 3 kHz or the bandwidth of the currently selected transimpedance amplifier whichever is less The following...

Page 179: ...eeps occur unless the Update function is on Key Path Traces View Related Functions Active Trace Update Remote Commands DISPlay WINDow TRACe TRA TRB TRC TRD TRE TRF ON Wavelength Accesses a menu to set center wavelength peak to center span start wavelength stop wavelength wavelength setup Wavelength Cal Info Displays the date of the last factory calibration the last user wavelength cali bration dat...

Page 180: ...owing calibration data will be offset or replaced factory wavelength calibration date set calibration wavelength signal source external or calibrator user wavelength cal date wavelength referenced in air or vacuum The Wavelength Calibration setup panel Setup Panel Selections Factory Wavelength Cal Date Shows the date of the last factory performed wavelength calibration User Wavelength Cal Date Sho...

Page 181: ...he calibration data Offset will adjust the user multipoint data at all wavelengths to provide the best wavelength accu racy at the calibration source wavelength Replaced will disable the multipoint data when used with an external source select Offset to re enable Replaced will delete multipoint data when used with the internal calibrator Key Path System Calibration Wavelength Cal Setup Remote Comm...

Page 182: ...alibrate the TLS with a wave meter and correct for any offset Entering a value in the wavelength offset has no affect on the trace Key Path Wavelength Wavelength Setup Wavelength Offset Remote Commands SENSe WAVelength OFFSet Wavelength Setup Accesses the Wavelength Setup panel center wavelength step size user wavelength calibration date wavelength calibration wavelength offset wavelengths referen...

Page 183: ...rument when the auto zero function is off In Auto Zero mode the instrument compensates for temperature related cur rent drift between each sweep Although this zeroing increases amplitude accuracy it also increases the time between sweeps If amplitude accuracy is not critical to your measurement turn off zeroing to improve throughput The instrument performs a more complete zeroing when the instrume...

Page 184: ...Connecting to the OSA over the Network on page 4 6 Using the Reflection X Emulator to Run the Remote Front Panel on page 4 7 Using the X Win 32 Emulator to Run the Remote Front Panel on page 4 9 Using a UNIX Workstation to Run the Remote Front Panel on page 4 12 Using the Remote Front Panel on page 4 15 Remote Front Panel Operation ...

Page 185: ...d added to the DNS utilized by your PC or UNIX workstation Gateway and Net Mask information will also need to be specified in order for the OSA to communicate with the LAN The new Internet Protocol IP address is used to uniquely identify the network address of the OSA An IP address is a set of four decimal numbers separated by periods like 192 170 128 210 The Hostname associated with the IP addres...

Page 186: ..._________________ Local Domain Name ________________________________________________ Domain Name System DNS Server IP Address _________________________ The Network Configuration procedure does not require the NIS configuration Your PC or UNIX workstation will use the DNS to lookup the OSA location by the host name Any NIS information entered will not be used in configuring the OSA network for Remo...

Page 187: ...s panel is displayed You will use this panel to supply the information needed to configure the OSA on the network Press Yes to continue 6 The Required Information window will open You need to obtain the name of your system hostname and your Internet Protocol IP address information from your local network administrator before proceeding Press Yes Continue if you have the necessary information 7 Ent...

Page 188: ... press OK If the parameters are correct press Yes 17 Press Close when the Register Node with Name Server window opens 18 When prompted for the NIS Domain Name and NIS Server Name press Cancel This is not required for this application 19 Press Done when the Network Configure window opens 20 The Networking Configure Utility window will open Check the entered information If all the information is cor...

Page 189: ...fic setup instructions Before using the remote front panel ensure That the OSA is connected to the local area network LAN There are no Proxies between the OSA and the remote system That the underlying network must operate fast enough to allow for reason able operation of the OSA If using a PC to run the remote front panel operation an X Windowing emulator is available on the PC With the exception ...

Page 190: ... Front Panel Below are the basic steps for setting up the Reflection X emulator to run the OSA remote front panel Refer to the Reflection X documentation for further information 1 From the PC Start menu locate and run the Reflection X emulator 2 From the emulator window enter the following information ...

Page 191: ...ield select the name assigned to the OSA d In the User Name field enter osaadm e In the Password field enter osaosa1 f In the Command field you will need to modify the existing command as follows usr bin x11 hpterm fn 6x13 sb ls display IP name T exec etc map_display g Click Connect to start the remote front panel controller 3 Continue to Using the Remote Front Panel on page 4 15 ...

Page 192: ...are the basic steps for setting up the X Win 32 emulator to run the OSA remote front panel Refer to the X Win 32 documentation for further informa tion 1 From the PC Start menu click X Win32 X Win Config 2 From the X Win32 Configuration window click Add 3 In the Connect Method window select rexec and then click Next ...

Page 193: ...it from a list of sessions b In the Host Name field enter the host name assigned to the OSA The host name can either be the name or IP address of the remote host you want to connect to for example osa osanet com or 247 109 121 43 c In the Login name field enter osaadm d In the Command field you will need to enter the command as follows usr dt bin hpterm display 141 121 12 345 0 0 exec etc map_disp...

Page 194: ... 32 X Win 32 You will notice that an X icon will appear in your windows tray usually located in the lower right hand part of your display 6 Click on the X icon and select the desired OSA session to run the remote front panel operation 7 Continue to Using the Remote Front Panel on page 4 15 ...

Page 195: ...osaosa1 or your new password if you have already changed it and then press Enter 5 At the prompt type etc map_display and then press Enter to start the remote front panel controller 6 A Welcome screen is displayed and you are given three command choices Display accesses a diagnostic tool to show the display parameter setup Enable accesses the remote front panel This command is used to stop the OSA...

Page 196: ...play is enter the IP address for the UNIX workstation that you are using now and then press Enter The remote front panel command will be displayed on the OSA and the OSA will be restarted You will be able to monitor the restarting process on the PC display Once the OSA has finished restarting the front panel will be activated on your PC display 9 You can now use the remote front panel just like yo...

Page 197: ...ation Remote Front Panel 10 When you are finished using the remote front panel in the Map Display window type Disable The OSA will reboot into normal mode with the remote front panel turned off The OSA display will close on the PC ...

Page 198: ...nd to normal mode A fourth command which is not displayed is Passwd Passwd allows you to change the default password to one that is unique for you It is recommended that you change the default password osaosa1 at this time Simply type Passwd at the prompt and enter a new password The new password must differ from the old password by at least three charac ters N o t e Once you changed the password ...

Page 199: ...ng in front of the OSA Remember to use the main menu bar to access OSA functions and to enter data via the keyboard number keys 4 When you are finished using the remote front panel in the Map Display window type Disable The OSA will reboot into normal mode with the remote front panel turned off The OSA display will close on the PC ...

Page 200: ...view 5 2 Error Reporting Behavior 5 4 SCPI Defined Errors 5 5 OSA Notices 5 16 OSA Warnings 5 17 Application Specific Warnings 5 29 OSA Status Errors 5 35 OSA Errors 5 36 Firmware Errors 5 38 Status Listings ...

Page 201: ... condition causing the error is corrected the error will go away Warning A warning is displayed when the optical spectrum analyzer cannot satisfy a request from the user Parameter entries that are out of range illegal or unrec ognized remote commands or missing hardware options can cause a warning to be displayed A warning can be displayed if a requested measurement for example AutoMeasure cannot ...

Page 202: ...ard SCPI errors 1000 to 2999 OSA notices 3000 to 4999 Application specific notices 5000 to 7999 OSA warnings 8000 to 9999 Application specific warnings 10000 to 11999 OSA status errors 12000 to 13999 Application specific status errors 20000 to 21999 OSA errors 22000 to 23999 Application specific errors 30000 to 32767 Firmware errors ...

Page 203: ...ings or notices one or more of these keys are enabled Press the key to display a more complete description of the condition causing the message Warnings and notices are displayed in a status line at the bottom of the screen They are cleared when any front panel key other than the System key is pressed or they will clear automatically after a few seconds To view warnings and notices press the front...

Page 204: ... to the instrument were implemented Note that some of the error messages do not contain descriptions or help mes sages These error numbers are reserved for future expansion This document is subject to further change and development Standards related information Further information on the Standard Commands for Programmable Instru ments SCPI standard is available from the SCPI consortium Contact Fre...

Page 205: ...iption portions of the full queue item are listed here The first error event described in each class for example 100 200 300 400 is a generic error In selecting the proper Error event number to report more specific error event codes are preferred and the generic error event is used only if the others are inappropriate Command errors An error event number in the range 199 100 indicates that an IEEE...

Page 206: ...help A syntactic element contains a character which is invalid for that type for example a header containing an ampersand SETUP This error might be used in place of errors 114 121 141 and perhaps some others 102 desc Syntax error help An unrecognized command or data type was encountered for example a sting was received when the instrument does not accept strings 103 desc Invalid separator help The...

Page 207: ... XYZ is not defined for any device 120 desc Numeric Data Error help This error as well as errors 121 through 129 are generated when parsing a data element which appears to be numeric including the non decimal numeric types This particular error message should be used if the device cannot detect a more specific error 121 desc Invalid character in number help An invalid character for the data type b...

Page 208: ...racter data not allowed help A legal character data element was encountered where prohibited by the device 150 desc String data error help This error as well as errors 151 through 159 are generated when parsing a string data element This particular error message should be used if the device cannot detect a more specific error 151 desc Invalid string data help A string data element was expected but...

Page 209: ...e device cannot detect a more specific error 171 desc Invalid expression help The expression data element was invalid see IEEE 488 2 7 7 7 2 for example unmatched parentheses or an illegal character 178 desc Expression data not allowed help A legal expression data was encountered but was not allowed by the device at this point in parsing 181 desc Invalid outside macro definition help Indicates tha...

Page 210: ...generate execution errors shall not generate Command Errors device specific errors or Query Errors see the other error definitions in this section Table 5 2 Execution Errors 1 of 3 Error Number Error Description description explanation examples 200 desc Execution error help This is the generic syntax error for devices that cannot detect more specific errors This code indicates only that an Executi...

Page 211: ...cuted because the interpreted value was outside the legal range as defined by the device see IEEE 488 2 11 5 1 1 5 223 desc Too much data help Indicates that a legal program data element of block expression or string type was received that contained more data than the device could handle due to memory or related device specific requirements 224 desc Illegal parameter value help Used where exact va...

Page 212: ...t for example 42 The occurrence of any error in this class should cause the device specific error bit bit 3 in the event status register IEEE 273 desc Illegal macro label help Indicates that the macro label defined in the DMC command was a legal string syntax but could not be accepted by the device see IEEE 488 2 10 7 3 and 10 7 6 2 for example the label was too long the same as a common command h...

Page 213: ...ion 11 5 1 to be set These errors correspond to mes sage exchange protocol errors described in IEEE 488 2 section 6 5 One of the following is true An attempt is being made to read data from the output queue when no output is either present or pending Data in the output queue has been lost Events that generate query errors will not generate command errors execu tion errors or device specific errors...

Page 214: ...llowed by DAB or GET before a response was completely sent 420 Query UNTERMINATED Indicates that a condition causing an UNTERMINATED Query error occurred see IEEE 488 2 6 3 2 2 for example the device was addressed to talk and an incomplete program message was received 430 Query DEADLOCKED Indicates that a condition causing an DEADLOCKED Query error occurred see IEEE 488 2 6 3 1 7 for example both ...

Page 215: ...d It is not necessary to upgrade the mezzanine board but the software will not be able to correctly determine which light source options are available 1002 desc No Delta Marker Amplitude for help The delta marker amplitude display has been turned off due to a units mismatch The amplitude units of the reference marker are different than those of the delta marker Values in differing units cannot be ...

Page 216: ...e turned off Place a marker on the calibration signal and try again 5003 desc Cal aborted trace resolution is inadequate help A wavelength calibration using the wavelength of the active marker was requested The calibration cannot be done because the resolution of the marker s trace is inadequate Trace resolution is defined as wavelength span divided by trace points 1 and must be less than 10pm Thi...

Page 217: ...ptical input and try again 5008 desc Calibration was not successful help The requested calibration procedure did not complete successfully Verify the instrument setup and the presence of a valid calibration signal This problem can sometimes be caused by removing or changing the amplitude of the calibration signal during the calibration procedure In rare cases this error can occur after the OSA has...

Page 218: ...ode 5016 desc Incompatible measurement file help An attempt was made to recall a measurement file which is incompatible with the current version of software 5017 desc The requested file does not exist help An attempt was made to access a file which does not exist Check the spelling of the file name against the listing of available files 5020 5030 desc I O Error help An unexpected error occurred du...

Page 219: ... apart or turn off sweep limit to resolve this problem 5046 desc AutoAlign cannot find input signal at marker help The auto align procedure could not find a usable input signal If there is an active marker auto align will attempt to align at the marker wavelength without searching for a signal peak This error can also occur if the input signal amplitude is very low or if the OSA has received a lar...

Page 220: ...is too far from that signal To correct this problem place the marker on the desired signal turn off all markers or disable the auto measure at marker function 5052 desc Sweep time auto is not allowed in zero span help The sweep time function was requested to switch from manual to auto while in zero span Automatic sweep time coupling cannot be done in zero span The desired sweep time must be set ex...

Page 221: ...The correction for this problem is to cycle power 5059 desc Trajectory align marginal input signal help The trajectory align procedure was aborted due to an input signal with marginal amplitude The input signal was large enough when the function began it s operation but later became too small This usually happens when the signal is on the edge of being too small To correct this problem increase th...

Page 222: ...nt Service Center 5067 desc OSNR marker not allowed help A request was made to enable the OSNR marker readout The readout cannot be enabled for one of the following reasons OSNR markers cannot be used on traces which have X axis units other than meters This typically occurs in zero span where the X axis units are seconds OSNR marks cannot be used on traces which have Y axis units other than power ...

Page 223: ...This could be due to one or more input arguments having the wrong type or size or because one or more inputs are not defined 6721 desc Internal error in marker search help A marker search function has failed due to an internal software problem Please try the operation again If the error persists contact the Agilent support center nearest your location 6722 desc Math expression input cannot be bool...

Page 224: ...of dBm help A math expression could not be evaluated because the input argument does not have the required Y axis units of dBm 6730 desc Math expression expects units of watts help A math expression could not be evaluated because the input argument does not have the required Y axis units of watts 6731 desc Illegal combination of trace Y axis units help A math expression could not be evaluated beca...

Page 225: ...pression expects boolean inputs help A math expression could not be evaluated because of an invalid input The math function requires all of it s arguments to be boolean At least one of the arguments is not boolean 6737 desc Invalid math constant help During evaluation of a math expression an invalid constant was encountered The constant has undefined or default settings for it s X and or Y values ...

Page 226: ...educe the marker peak excursion setting or adjust sensitivity 6748 desc Next pit not found help A next pit search was requested There are no more pits on the current marker s trace in the requested direction To find additional pits reduce the marker pit excursion setting or adjust sensitivity 6749 desc Peak not found help A peak search was requested There are no valid peaks on the current marker s...

Page 227: ...c Attempt to divide by 0 help At least one point was attempted to be divided by 0 The result for these divisions has been set to not a number Please realize that further calculations with not a number values are undefined 6756 desc Syntax error bad token help The grammar expression entered cannot be parsed Please check the string entered The bad token attempts to indicate where the error occurred ...

Page 228: ...lows new names to be assigned to measurement parameters Once assigned these names can only be used as inputs to other measurements Only the first ten characters are significant The line number indicates where the problem was found The word in the parentheses is the variable name causing the problem 8004 desc Wrong number of input parameters help The wrong number of inputs were found for a specific...

Page 229: ...es is the undefined variable 8010 desc A variable can be used only once per statement help A variable name was used as multiple parameters for the same specification statement The input parameter was ignored because using multiple references is not allowed The line number indicates where the problem was found The variable name in the parentheses is the variable causing the problem 8011 desc A keyw...

Page 230: ...file The missing command is listed in the parentheses This command should be used only once in the file 8018 desc The normalization interval limited to maximum help The normalization interval has a maximum value of 24 and a minimum value of 0 1 hours The interval specified in the specification file is outside this range The specification file can still be used but the calibration interval will be ...

Page 231: ...used help The application allows new names to be assigned to measurement paths Once assigned these names can no longer be used by other measurement paths Only the first thirty two characters are significant The line number indicates where the problem was found The word in the parentheses is the path name causing the problem 8026 desc A path name was used where a variable is expected help The input...

Page 232: ...e SWEEP statement must be within the start and stop values of the SETUP statement The line number indicates which SWEEP statement has values out of range The number in the parentheses indicates which parameter is out of range 8032 desc The units of the inputs are not compatible help The units of the inputs to a math operation need to be compatible with the operation desired Addition and subtractio...

Page 233: ...s out of range 8036 desc The specification units do not match help The units for the minimum and maximum specification values need to match The line number indicates which statement has the mismatching units 8037 desc The specification units do not match the input units help The units for the minimum and maximum specification values need to match the units for the input parameters The line number ...

Page 234: ...ep time may be too fast This could result in an invalid measurement In certain cases it is possible to sweep faster than the coupled sweep time without compromising measurement accuracy Please refer to the users manual and relevant application notes for more information 11998 desc Too Many Hardware Status Errors help The Hardware Status Error list has overflowed Additional more recent items have b...

Page 235: ...nologies Instrument support center for assistance In the U S call 800 403 0801 See the Agilent 86140B Series Users Guide for a listing of the Agilent sales and service offices 20003 desc Error detected in grating positioning system help An error has been detected in the motor which controls the diffraction grating Please record the hexadecimal number listed with the error and cycle power If the er...

Page 236: ...ower If the error persists contact the nearest Agilent Technologies Instrument support center for assistance In the U S call 800 403 0801 See the Agilent 86140B Series Users Guide for a listing of the Agilent sales and service offices 20007 desc Sweep Timeout help A sweep was started but did not finish in the expected amount of time The trace data acquired during this sweep may not be valid Try ta...

Page 237: ...ent support center for assistance In the U S call 800 403 0801 See the Agilent 86140B series Users Guide for a listing of the Agilent sales and service offices 30001 desc Auto Measure Software Error help An error has been detected in the auto measure software There is an internal problem with the software Please make a note of the text in parentheses at the end of the error message and cycle power...

Page 238: ...6 Changing the Printer Paper 6 2 Cleaning Connections for Accurate Measurements 6 8 Returning the Instrument for Service 6 21 Maintenance ...

Page 239: ...6 2 Maintenance Changing the Printer Paper Changing the Printer Paper ...

Page 240: ...er 9270 1370 C AUT IO N Never use the printer without printer paper as this can damage the printer head If the instrument is on the paper feeder automatically scrolls whenever paper is inserted into the feeder Lift the paper latch to correct paper alignment problems The scroll knob al lows you to manually advance the paper C AUT IO N To avoid damage caused by losing parts and tools inside the inst...

Page 241: ...n damage or destroy the printer Therefore this procedure must always be performed at a static safe work station Static safe Work Station Figure 6 1 on page 6 5 shows an example of a static safe work station using conductive table and floor mats and wrist and heel straps To ensure user safety the static safe accessories must provide at least 1 MΩ of isolation from ground Refer to Table 6 1 for info...

Page 242: ... 1 Turn off the Agilent 86140B series optical spectrum analyzer and remove the line power cord 2 Place the instrument at a static safe work station as described in the introduction to this procedure 3 Use a coin or screwdriver to open the printer door that is located on the top of the instrument Agilent Part Number Description 9270 1605 Printer Paper ...

Page 243: ...ollowing diagram and remove the paper 5 Unscrew the retaining screw that secures the sheet metal cover that protects the printer head from electrostatic discharge Slide the sheet metal cover towards the retaining screw and then lift it straight up to remove 6 Lift the printer head lever to the vertical position Then tilt the lever towards the instrument s rear panel to rotate the printer head up ...

Page 244: ... IO N Use of other cleaning materials or fluids may damage the printer 8 After the printer head has thoroughly dried use the printer head lever to return the printer head to its original position 9 Replace and secure the sheet metal cover for the printer head 10 Replace the printer paper and close the printer access door ...

Page 245: ...f the fiber optic connector The differences in connec tor types are mainly in the mechanical assembly that holds the ferrule in position against another identical ferrule Connectors also vary in the polish curve and concentricity of the core within the cladding Mating one style of cable to another requires an adapter Agilent Technologies offers adapters for most instruments to allow testing with m...

Page 246: ...iber optic applications While not the highest perform ing connector it represents a good compromise between performance reli ability and cost If properly maintained and cleaned this connector can withstand many repeated connections However many instrument specifications require tighter tolerances than most connectors including the FC PC style can deliver These instruments cannot tolerate connector...

Page 247: ...on of the Diamond HMS 10 connector The nickel silver allows an active centering process that permits the glass fiber to be moved to the desired position This process first stakes the soft nickel silver to fix the fiber in a near center location then uses a post active staking to shift the fiber into the desired position within 0 2 µm This process plus the keyed axis allows very precise core to cor...

Page 248: ...nd of the fiber any stray particles or finger oil can have a significant effect on connector performance Where many repeat connections are required use of a connector saver or patch cable is recommended Figure 6 5 shows the end of a clean fiber optic cable The dark circle in the center of the micrograph is the fiber s 125 µm core and cladding which carries the light The surrounding area is the sof...

Page 249: ...e the best possible performance when making measurements on a fiber optic system Never use metal or sharp objects to clean a connector and never scrape the connector Avoid matching gel and oils Figure 6 5 Clean problem free fiber end and ferrule Figure 6 6 Dirty fiber end and ferrule from poor cleaning ...

Page 250: ...optic cable into a connector gently insert it in as straight a line as possible Tipping and inserting at an angle can scrape material off the inside of the connector or even break the inside sleeve of connectors made with ceramic material When inserting a fiber optic connector into a connector make sure that the fi ber end does not touch the outside of the mating connector or adapter Avoid over ti...

Page 251: ...ormance they can be used to determine connector degradation A smooth polished fiber end should pro duce a good return loss measurement The quality of the polish establishes the difference between the PC physical contact and the Super PC con nectors Most connectors today are physical contact which make glass to glass connections therefore it is critical that the area around the glass core be clean ...

Page 252: ...njury to your eyes Cleaning Connectors The procedures in this section provide the proper steps for cleaning fiber optic cables and Agilent Technologies universal adapters The initial cleaning using the alcohol as a solvent gently removes any grit and oil If a caked on layer of material is still present this can happen if the beryllium copper sides of the ferrule retainer get scraped and deposited ...

Page 253: ... during this initial cleaning because grit can be caught in the swab and become a gouging element 5 Immediately dry the fiber end with a clean dry lint free cotton swab or lens paper 6 Blow across the connector end face from a distance of 6 to 8 inches using filtered dry compressed air Aim the compressed air at a shallow angle to the fiber end face Nitrogen gas or compressed dust remover can also ...

Page 254: ...propyl alcohol to a clean foam swab Cotton swabs can be used as long as no cotton fibers remain after cleaning The foam swabs listed in this section s introduction are small enough to fit into adapters Although foam swabs can leave filmy deposits these deposits are very thin and the risk of other contamination buildup on the inside of adapters greatly out weighs the risk of contamination by foam s...

Page 255: ...ave been avoided if better care were given to the fiber optic connector The connector saver is intended to serve as a replaceable interface When cleaned and attached to the front panel it should remain in place and succes sive input fiber changes should be attached to the connector saver If the con nector saver is damaged you can easily replace it Connector saver damage can be detected by examinin...

Page 256: ...ith measurements We have found that in the recessed end of the connector saver it is difficult to prevent this alcohol resi due buildup To clean the ferrule end of the connector saver 1 Apply isopropyl alcohol to a clean cotton swab Cotton swabs can be used making sure no cotton fibers remain after cleaning Although foam swabs can leave filmy deposits these deposits are very thin The risk of other...

Page 257: ...eaner be used Berkshire s LT670183 wrapped tip cotton swab or Cletop stick cleaners have proven to be an effective cleaning solution To clean the recessed end of the connector saver insert the stick type cleaner and rotate it server times the same direction Each swab should only be used once While this may not remove all of the contaminants it will displace them away from the center of the fiber a...

Page 258: ... recommendations from experienced test engineers When you use Agilent equipment we can verify that it works properly help with product operation and provide basic measurement assistance for the use of specified capabilities at no extra cost upon request 9Often many self help tools are available Your Advantage means that Agilent offers a wide range of additional expert test and measurement services...

Page 259: ... 305 269 7599 Canada tel 1 877 894 4414 fax 905 206 4120 Australia tel 1 800 629 485 fax 61 3 9210 5947 Europe tel 31 20 547 2323 fax 31 20 547 2390 New Zealand tel 0 800 738 378 fax 64 4 495 8950 Japan tel 81 426 56 7832 fax 81 426 56 7840 Asia Pacific tel 852 3197 7777 fax 852 2506 9284 ...

Page 260: ...me and return address Name and phone number of technical contact person Model number of returned instrument Full serial number of returned instrument List of any accessories returned with instrument 2 Cover all front or rear panel connectors that were originally covered when you first received the instrument C AUT IO N Cover electrical connectors to protect sensitive components from electrostatic ...

Page 261: ...he instrument for packing material and strong enough to accom modate the weight of the instrument Surround the equipment with approximately 7 cm 3 inches of packing ma terial to protect the instrument and prevent it from moving in the carton If packing foam is not available the best alternative is S D 240 Air Cap from Sealed Air Corporation Commerce California 90001 Air Cap looks like a plastic sh...

Page 262: ...ns Agilent 86144B 86146B 7 14 General Instrument Specifications 7 11 Option 001 Current Source 7 16 Option 002 White Light Source 7 17 Option 004 005 EELED Sources 7 18 Regulatory Information 7 21 Declaration of Conformity 7 22 Specifications and Regulatory Information ...

Page 263: ...o 55 C and relative humidity 95 unless otherwise noted All specifications apply after the instrument s temperature has been stabilized after 1 hour continuous operation and the auto align routine has been run Unless otherwise noted specifications apply without USER CAL All specifications apply to measurements made without using the front panel connector saver Calibration Cycle This instrument requ...

Page 264: ... user cal refers to the wavelength accuracy after the user has performed the internal wavelength calibration using a source of known wavelength Tuning Repeatability refers to the wavelength accuracy of returning to a wavelength after having tuned to a different wavelength Reproducibility refers to the amount of wavelength drift which can occur over the specified time while the optical spectrum ana...

Page 265: ...er that is multimode at the wavelength of interest Sensitivity Sensitivity is defined as the signal level that is equal to six times the RMS value of the noise Displayed sensitivity values are nominal Slightly lower val ues may have to be entered to achieve specified sensitivity Dynamic range Dynamic Range is a measure of the ability to see low level signals that are located very close in waveleng...

Page 266: ...Accuracy After calibration with internal calibration source and with enhanced wavelength calibration on for specified rangea b c 1480 to 1570 nm 1570 to 1620 nm After calibration with external reference source s 10 nm of calibration reference point s a b c After user calibration over full wavelength rangea d 600 nm 1700 nm Absolute Accuracya d e a With applied input fiber 9 125µm b Characteristic ...

Page 267: ...nternal path only Agilent 86141B 86140B w Opt 025 86143B w Opt 025 FWHM 3 dB Bandwidth b c b With applied input fiber 9 125 µm c Resolution of 10 nm is available for first order grating response only 0 06 0 1 0 2 0 5 1 2 5 10 nm 0 06 0 07 0 1 0 14 0 2 0 33 0 5 1 2 5 10 nm 0 07 0 1 0 2 0 5 1 2 5 10 nm Noise Marker Bandwidth Accuracy using noise markers 1525 1610 nma d 0 5 nm 0 2 nm 0 1 nm 0 06 nm d...

Page 268: ...5 1700 nm 600 1000 nm 1000 1525 nm 15 dBm per channel 30 dBm total 15 dBm per channel 30 dBm total 12 dBm per channel 30 dBm total Maximum Safe Power Total safe power Total power within any 10 nm portion of the spectrum 30 dBm 23 dBm Absolute Accuracyh at 20 dBm 1310 nm 1550 nm 0 5 dB Scale Fidelitye i Autorange off 0 05 dB Autorange on 0 07 dB Display Scale log scale 0 01 20 dB DIV 120 to 90 dBm ...

Page 269: ...5 dB 0 5 dB a The 86144B and 86146B specifications are for the 50 µm internal path only b Sensitivity is defined as signal value 6 X RMS noise value c Temperature range 0 to 30 C d Second Order e Temperature range 20 to 30 C f Resolution bandwidth setting channel spacing g Characteristic h For resolution 0 1 nm i Excluding amplitude errors at low power levels due to noise j For signals within 8 dB...

Page 270: ...1 nm 5 nmd e d Characteristic e Chop mode not available on the 86144B 86146B models 70 dB 70 dB 70 dB 1550 nm at 0 8 nm 100 GHz at 1550 nm f f Average of all states of polarization 60 dB 60 dB 60 dB 1550 nm at 0 5 nmg 62 5 GHz at 1550 nm g Characteristic for 86140B 86141B 86143B 86140B with option 025 86143B with option 025 58 dB 58 dB 55 dB 1550 nm at 0 4 nmg 50 GHz at 1550 nm 55 dB 55 dB 52 dB 1...

Page 271: ...100 nm span 500 nm span 180 ms 340 ms 400 ms 650 ms ADC Trigger Accuracyb Jitter distributed uniformly Trigger delay range 0 5 µs 2 µs 6 5 ms PULSE MODE ACCURACY Agilent 86140B 86143B 86144Ba a The 86144B and 86146B specifications are for the 50 µm internal path only Agilent 86142B 86145B 86146Ba Agilent 86141B and 86140B Option 025 86143B w Opt 025 Turn On 2 µs after rising edge b c b Characteris...

Page 272: ... RH Storage Non condensing Altitude Up to 15 000 feet 4 572 meters EMI Conducted and radiated interference is in compliance with CISPR Publication 11 IEC 801 3 IEC 801 4 and IEC 555 2 Power Requirements Voltage and Frequency 90 Vac to 260 Vac 44 to 444 Hz Maximum Power Consumption 230 W Computer Interfacing Remote Control Web enabled controls Compatibility IEEE 488 1 IEEE 488 2 100 Interfaces GPIB...

Page 273: ...er 30 dBm total 23 dBm within any 10 nm portion of the spectrum Monochromator Output Polarization Dependence b for Resolutions 0 2 nm 1250 nm 1650 nm 0 5 dB c d Resolution Selections FWHM 0 07 nm and 0 1 nm to 10 nm in a 1 2 5 sequence Input 50 µm Output 62 5 µm Photodetector Input in power meter mode Accuracy at 20 dBm e f 1550 nm 0 35 dB Maximum Safe Power Level 20 dBm Scale Fidelity for 0 dBm i...

Page 274: ...lied input fiber that is standard single mode at wavelength of interest c At room temperature d Characteristic e With applied input fiber 9 125 µm f Temperature range 20 C to 30 C g To within 20 dB of the sensitivity noise limit h Sensitivity applied within 1 minute of last zeroing Monochromator Loss 0 3 6 9 12 15 18 21 24 27 1st Order 2nd Order 700 800 900 1000 1100 1200 1300 1400 1500 1600 nm 15...

Page 275: ...Specifications Agilent 86144B 86146B Insertion Loss Stabilitya 1550 nm 15 minutes a Immediately following enhanced single point auto align at constant temperature 0 5 dB Insertion Lossb 1550 nm b For room temperature only 10 dB max Agilent 86146B Agilent 86144B Filter Bandwidtha b a From 1530 1610 nm b Characteristic 0 5 dB 1 0 dB 3 0 dB 0 5 dB 1 0 dB 3 0 dB RBW Nominal Setting Actual Bandwidth 0 ...

Page 276: ...gilent 86144B 12 5 GHz 25 GHz 50 GHz 100 GHz 50 GHz 100 GHz 0 1 nm 0 2 nm 0 4 nm 0 8 nm 0 4 nm 0 8 nm 0 04 nm 40 dB 50 dB 55 dB 55 dB 50 dB 50 dB 0 05 nm 40 dB 50 dB 55 dB 55 dB 50 dB 50 dB 0 07 nm 50 dB 55 dB 55 dB 50 dB 50 dB 0 1 nm 40 dB 50 dB 55 dB 45 dB 50 dB 0 2 nm 40 dB 45 dB 55 dB 40 dB 50 dB 0 3 nm 45 dB 55 dB 40 dB 50 dB 0 5 nm 45 dB 50 dB 40 dB 45 dB ...

Page 277: ...6146B Only Range 0 to 200 mA source or sink Resolutiona a Characteristic 50 µA steps Accuracy 2 50 µA Clamp Voltageb b Nominal 2 7V Noise Density at 1 kHza 4 nA Stability Within 30 Minutesa 100 ppm 500 nA Temperature Drifta 100 ppm 500 nA C Pulse Mode Pulse Range Pulse Resolution Duty Cycle Range 10 µs to 6 5 ms 100 ns Pulse width 1 s to 100 Hz ...

Page 278: ...sityb 900 to 1600 nm 900 to 1600 nm typical 1600 to 1700 nm b With applied input fiber 9 125 µm 67 dBm nm 0 2 nW nm 64 dBm nm 0 4 nW nm 70 dBm nm 0 1 nW nm Minimum Output Power Spectral Densityc d 50 125 µm fiber 62 5 125 µm fiber c Characteristic d Includes power in full numerical aperture of fiber 50 dBm nm 10 nW nm 46 dBm nm 25 nW nm Output Stabilityb 0 02 dB over 10 minutes Lamp Lifetime Mean ...

Page 279: ...ctral Power Density 1540 to 1560 nm option 005 1470 to 1620 nm option 005a 1300 to 1320 nm 1540 to 1560 nm option 004 1250 to 1620 nm option 004a a Characteristic 40 dBm nm 100 nW nm 60 dBm nm 1 nW nm 40 dBm nm 100 nW nm 60 dBm nm 1 nW nm Return Lossa With straight connector 25 dB Stability ambient temp 1 C a Over 15 minutes Over 6 hours 0 02 dB 0 05 dB ...

Page 280: ... Diagram The acetylene absorbs light at very specific wavelengths based on the molecu lar properties of gas The cell is illuminated by an EELED and the OSA uses the absorption pits to perform a wavelength calibration Since the absorption of the acetylene gas is a physical constant it never needs calibrating Wavelength calibrator absorption spectrum The wavelength calibrator enhances the OSA to ach...

Page 281: ...erfaces See Agilent 81000 series See Agilent 81000 series External 10 dB Attenuator FC PC Opt 030 Opt 030 9 µm Single Mode Connector Saver Standard Standard Rack Mount Flange Kit Opt AX4 N A Transit Case 9211 2657 9211 5604 Soft Carrying Case N A Opt 042 BenchLink Lightwave Softwarea a Agilent N1031A BenchLink Lightwave allows transfer of measurement results over a GPIB Interface to a PC for the p...

Page 282: ... Conformity and has been supplied in a safe condition The documentation contains information and warnings that must be followed by the user to ensure safe operation and to maintain the prod uct in safe condition Compliance with Canadian EMC Requirements This ISM device complies with Canadian ICES 001 Cet Appareil ISM est conforme a la norme NMB du Canada Notice for Germany Noise Declaration Acoust...

Page 283: ...7 22 Specifications and Regulatory Information Declaration of Conformity Declaration of Conformity ...

Page 284: ...tions menu 1 17 auto chop mode setting 3 8 ranging setting 3 7 zero setting 3 7 Auto Align key 1 14 Auto Meas key 1 14 auto ranging 3 13 auto zero function 3 104 setting 3 14 automatic alignment 1 14 Averaging softkey 3 14 B Backup Internal Memory softkey 2 20 3 15 Backup Restore Menu softkey 3 15 bandwidth markers 3 37 bandwidth marker 1 15 interpolation setting 3 40 units setting 3 40 Bandwidth ...

Page 285: ...actory Preset softkey 3 25 Fast Meas Save softkey 3 26 fast save 2 20 FDA laser safety 1 29 fiber optics care of 1 iii 1 11 cleaning connections 6 8 connectors covering 6 23 File menu 1 17 File Share 3 31 File Shares softkey 3 27 File Sharing 3 97 filename entering 2 23 saving 2 22 3 76 filter mode 3 85 Filter Mode softkey 3 29 firmware revision 3 73 Firmware Upgrade softkey 3 30 flatness 7 4 flop...

Page 286: ...earch at end of each sweep 3 59 pit excursion 3 60 Marker to Center softkey 3 43 Marker to Ref Level softkey 3 43 Marker Tune softkey 3 44 markers active marker 3 3 All Off softkey 3 5 line markers 3 102 marker BW 3 37 marker off 3 37 marker to center 3 43 marker to reference level 3 43 moving between traces 2 28 peak search 3 58 peak to center 3 57 search limit 3 80 tips for using 2 27 Markers ke...

Page 287: ...62 Power Meter Zero softkey 3 63 Preset key 3 13 3 65 Print key 1 16 3 66 printer changing the paper 6 2 connecting 1 10 head cleaning 6 4 Printer Setup softkey 3 67 Printer Shares softkey 3 67 printing display 1 16 over network 3 67 printing external or internal 3 67 product information 1 12 Pwr Mtr Units softkey 3 63 R rear panel descriptions 1 4 recall data 2 24 Recall Menu softkey 3 69 recall ...

Page 288: ...eep softkey 3 86 softkey panels 1 18 1 28 source single 3 102 Span softkey zero span 3 86 specifications 7 2 Standard Product Options and Accessories 1 30 Start WL softkey 3 87 State softkey 3 56 static safe accessories 6 4 Stop WL softkey 3 87 subnetwork mask 4 2 swabs 6 15 sweep continuous 3 71 cycle time 7 4 rate maximum 7 4 Sweep Key 3 16 Sweep Points softkey 3 88 system functions active area ...

Page 289: ...0 W wavelength calibration date 3 101 referenced value 3 102 setting cal source 3 102 Wavelength Cal Info softkey 3 100 Wavelength key 3 100 Wavelength Line Mkr softkey 3 102 Wavelength menu 1 28 Wavelength Offset softkey 3 103 wavelength setup panel center wavelength step size 3 19 wavelength units 3 104 web site information 1 12 Win 32 emulator 4 9 X X Win 32 emulator 4 9 X windows 4 9 4 12 Z Ze...

Page 290: ...quipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentation Artisan Scientific Corporation dba Artisan Technology Group is not an affiliate representative or authorized distributor for any manufacturer listed herein We re here to make your life easier How...

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