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Performance Test

Performance Tests

Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition

61

Performance Test for the Agilent 81656A

Page 3 of 3

Model Agilent 81656A Sensor Module

Report No.________

Date ________________

Test 
No.

Center Wavelength

Min. Spec.

Result 

Max. Spec.

Measurement 
Uncertainty

I

Accuracy  Test

[nm]

measured at _______ nm     
(1550nm) 

1535 nm

_______

1565 nm

II

Spectral Bandwidth (rms)

[nm]

measured at _______ nm    
(1550 nm)

_______

< 7.5 nm

III

Output Power

[dBm]

measured at _______ nm    
(1550 nm)

13 dBm < 

_______

IV

Power Stability

[dB]

[dB]

measured at _______ nm    
(1550 nm)

_______

< 0.01 

Summary of Contents for 81650A

Page 1: ...S S1 Agilent 81650A 1A 2A 4A 5A 6A 7A Laser Source Modules User s Guide ...

Page 2: ...harges duties and taxes for products returned to Agilent from another country Agilent warrants that its software and firmware designated by Agilent for use with an instrument will execute its programming instructions when properly installed on that instrument Agilent does not warrant that the operation of the instrument software or firmware will be uninterrupted or error free Limitation of Warrant...

Page 3: ...ered to could result in injury or loss of life Do not proceed beyond a WARNING sign until the indicated conditions are fully understood and met Safety Symbols The apparatus will be marked with this symbol when it is necessary for the user to refer to the instruction manual in order to protect the apparatus against damage Hazardous laser radiation Initial Inspection Inspect the shipping container f...

Page 4: ...ichannel System User s Guide summarizes the operating ranges for the Agilent 81650A 1A 2A 4A 5A 6A 7A Laser Source Modules In order for these modules to meet specifications the operating environment must be within the limits specified for the Agilent 8163A B Lightwave Multimeter Agilent 8164A B Lightwave Measurement System and Agilent 8166A B Lightwave Multichannel System Storage and Shipment This...

Page 5: ...ower 15 6 mW 10 mW 10 mW 15 6 mW 10 mW Max CW output power is defined as the highest possible optical power that the laser source can produce at its output connector Table 2 High Power Laser Source Modules Laser Safety Information Agilent 81655A Agilent 81656A Agilent 81657A Laser Type FP Laser InGaAsP FP Laser InGaAsP FP Laser InGaAsP Wavelength 15nm 1310 nm 1550 nm 1310 1550 nm Max CW output pow...

Page 6: ...ion on the outside of the instrument where they are clearly visible to anyone using the instrument WARNING Please pay attention to the following laser safety warnings Under no circumstances look into the end of an optical cable attached to the optical output when the device is operational The laser radiation can seriously damage your eyesight Do not enable the laser when there is no fiber attached...

Page 7: ...nt panel of the module The laser is on when the green LED on the front panel of the instrument is lit The use of the instruments with this product will increase the hazard to your eyes The laser module has built in safety circuitry which will disable the optical output in the case of a fault condition Refer servicing only to qualified and authorized personnel ...

Page 8: ...8 Agilent 81650A 1A 2A 4A 5A 6A 7A User s Guide Third Edition ...

Page 9: ...ption of the Front Panel 15 How to Enable Disable Laser Output 15 Optical Output 16 Angled Contact Connectors 16 Accessories 17 Modules and Options 19 Specifications 21 Definition of Terms 23 Center wavelength 23 Spectral width 23 Output power 24 CW power stability 24 CW power stability due to backreflection 24 Laser Source Module Specifications 26 Laser Source Module Specifications Standard modul...

Page 10: ...optical devices 69 What do I need for proper cleaning 70 Standard Cleaning Equipment 70 Dust and shutter caps 70 Isopropyl alcohol 71 Cotton swabs 71 Soft tissues 72 Pipe cleaner 72 Compressed air 72 Additional Cleaning Equipment 73 Microscope with a magnification range about 50X up to 300X 73 Ultrasonic bath 73 Warm water and liquid soap 74 Premoistened cleaning wipes 74 Polymer film 74 Infrared ...

Page 11: ...lass plate 81 How to clean instruments with a physical contact interface 81 How to clean instruments with a recessed lens interface82 How to clean optical devices which are sensitive to mechanical stress and pressure 83 How to clean metal filters or attenuator gratings 84 Additional Cleaning Information 85 How to clean bare fiber ends 85 How to clean large area lenses and mirrors 85 Other Cleaning...

Page 12: ...Table of Contents 12 Agilent 81650A 1A 2A 4A 5A 6A 7A User s Guide Third Edition ...

Page 13: ...Agilent 81650A 1A 2A 4A 5A 6A 7A User s Guide Third Edition 13 Laser Sources ...

Page 14: ...Laser Sources 14 Agilent 81650A 1A 2A 4A 5A 6A 7A User s Guide Third Edition This chapter introduces the features of the HP 8163A Lightwave Multimeter HP 8164A Lightwave Measurement System ...

Page 15: ...pter of the relevant module s User s Guide A Description of the Front Panel To insert these modules into your mainframe see your mainframe s User s Guide How to Enable Disable Laser Output This indicates whether the module is emitting radiation If the State parameter is On the green LED on the front panel of the module is lit indicating the laser is active If the State parameter is Off green LED o...

Page 16: ...ptical Output Angled Contact Connectors The HP 8163A Lightwave Multimeter HP 8164A Lightwave Measurement System are equipped with an straight contact optical output connector as standard Figure 4 shows the symbol for straight contact connectors Figure 4 Straight Contact Connector Symbols Straight Contact Connector Symbol ...

Page 17: ...Agilent 81650A 1A 2A 4A 5A 6A 7A User s Guide Third Edition 17 Accessories ...

Page 18: ...s Guide Third Edition The Agilent 81650A 1A 2A 4A 5A 6A 7A Laser Source Modules are available in various configurations for the best possible match to the most common applications This chapter provides information on the available options and accessories ...

Page 19: ...er Source Modules 0 dBm 81650A 1310 nm Fabry Perot 81651A 1550 nm Fabry Perot High Power Laser Source Modules 13 dBm 81656A 1550 nm Fabry Perot 81657A 1310 1550 nm Fabry Perot Connector Interfaces 81000AI Diamond HMS 10 81000FI FC PC SPC 81000GI D4 81000HI E 2000 81000KI SC PC SPC 81000SI DIN 47526 81000VI ST 81000WI Biconic Source Modules 0 dBm 13 dBm 81652A 1550 1625 nm Fabry Perot 81653A 1650 n...

Page 20: ...Accessories Modules and Options 20 Agilent 81650A 1A 2A 4A 5A 6A 7A User s Guide Third Edition ...

Page 21: ...Agilent 81650A 1A 2A 4A 5A 6A 7A User s Guide Third Edition 21 Specifications ...

Page 22: ...echnologies s commitment to continually increasing customer satisfaction through improved quality control Specifications describe the modules and heads warranted performance Supplementary performance characteristics describe the modules and heads non warranted typical performance Because of the modular nature of the instrument these performance specifications apply to these modules and heads rathe...

Page 23: ...r a Fabry Perot type laser source with discrete longitudinal modes this definition can be expressed as where Pi power levels of the individual longitudinal lines λi wavelengths of the individual longitudinal lines Spectral width The spectral width of an optical source is defined as the source s full width half maximum FWHM spectral width λFWHM For a non continuous spectrum e g the spectrum of a Fa...

Page 24: ...variable backreflection within given limits Conditions uninterrupted line voltage constant power level setting CW operation operating temperature change within specified limits minimum return loss as pecified all polarization states of backreflection included Measurement The change of the output power is monitored while the source s susceptibility to backreflection is tested by disturbing the lase...

Page 25: ...ower reflected back from the radiating fiber end in general creates instability in the laser cavity mode jumps resulting in output power instability The ratio of the incident optical power Pin to the reflected optical power Pback of an optical component is called return loss symbol RL 5 3 3 LQ EDFN 10 log ...

Page 26: ...ule Specifications 81650A 81651A 81652A 81654A Laser Type Fabry Perot Laser Diode Center Wavelength 1 1310 nm 15 nm 1550 nm 15 nm 1550 1625nm 15 nm 1310 1550nm 15 nm Fiber Type single mode 9 125 µm Spectral width rms 1 2 3 5 nm 4 5 nm 4 5 5 5 nm 3 5 4 5 nm Output power Class 1 3 0 dBm 1 mW CW power stability 4 5 short term 15 min long term 24 h to backreflection RL 14 dB 0 005 dB typ 0 003 dB with...

Page 27: ...ation The output power of all source modules can be attenuated from 0 dB to 6 dB in steps of 0 1 dB Laser Safety Information In the USA the above products are classified as Class I according to 21 CFR 1040 10 1995 Internationally the same products are classified as Class 1 according to IEC 60825 1 1998 3 Class 1 according to IEC 60825 1 1998 Class I according to FDA CFR 21 1995 4 Warm up time 20 m...

Page 28: ... Wavelength 1 1310 nm 15 nm 1550 nm 15 nm 1310 1550nm 15 nm Fiber Type single mode 9 125 µm Spectral width rms 1 2 5 5 nm 7 5 nm 5 5 7 5 nm Output power Class 3B 3 13 dBm 20 mW CW power stability 4 5 short term 15 min long term 24 h to backreflection RL 14 dB 0 005 dB typ 0 003 dB with coherence control active typ 0 03 dB typ 0 003 dB Dimensions H x W x D 75 mm 32 mm 335 mm 2 8 1 3 13 2 Weight 0 5...

Page 29: ... 200 Kz to 10 kHz All outputs are pulse shaped duty cycle 50 Internal coherence control for linewidth broadening Ooutput attenuation The output power of all source modules can be attenuated from 0 dB to 6 dB in steps of 0 1 dB Laser Safety Information In the USA the above products are classified as Class IIIb according to 21 CFR 1040 10 1995 Internationally the same products are classified as Clas...

Page 30: ...Specifications Laser Source Module Specifications 30 Agilent 81650A 1A 2A 4A 5A 6A 7A User s Guide Third Edition ...

Page 31: ...Agilent 81650A 1A 2A 4A 5A 6A 7A User s Guide Third Edition 31 Performance Tests ...

Page 32: ...ance of the instrument The complete specifications to which the Agilent 81650A 1A 2A 4A 5A 6A 7A Laser Source module is tested are given in Performance Tests on page 31 All tests can be performed without access to the interior of the instrument The performance tests refer specifically to tests using the Diamond HMS 10 Agilent connector ...

Page 33: ... may be reproduced without written permission from Agilent Technologies Test Failure If the Agilent 81650A 1A 2A 4A 5A 6A 7A Laser Source module fails any performance test return the instrument to the nearest Agilent Technologies Sales Service Office for repair Table 1 Required Equipment Instrument Accessory Recommended Model 81650A 81657A Required Characteristics Alternative Models Multimeter Mai...

Page 34: ...f Standards and Technology NIST will be covered in a manual change supplement or revised manual Such specifications supercede any that were previously published Performance Test The performance tests given in this section includes the Output Power Test and the Stability Test Perform each step in the order given using the corresponding test equipment NOTE Make sure that all optical connections of t...

Page 35: ... AutoMeas 6 Adjust the Optical Spectrum Analyzer OSA for use with Fabry Perot laser sources the Agilent 8165xA DUTs are Fabry Perot laser sources a Press the User hardkey b Press the FP softkey 7 Set up the spectrum analyzer a Press Menu b Press the Amptd softkey c Press the Linear softkey d Press the User hardkey e Press the SingleSweep softkey 8 In the field given at the top of the screen the Fa...

Page 36: ...r exactly to the wavelength of the laser source b Ensure that the CAL parameter on the powermeter is set to zero c With the connector adapter on the optical head covered with a plastic cap zero the powermeter d Set the averaging time to 500 ms 4 Connect the equipment as shown in figure D 2 5 On the Agilent 8163A with the module under test DUT 3DUDPHWHU 0LQ 6SHF 5HVXOW 0D 6SHF Mean wavelength 1295 ...

Page 37: ... Using the Agilent 81113PC cable connect the output of the source to the input of the sensor Make sure that the cable is fixed and that it cannot be moved during the measurement 4 On the mainframe press Appl and select the Stability application 5 Press Parameter and set the Total time to 15 00 minutes 6 Edit the averaging time to 1s and make sure that the maximum number of samples exceeds 900 7 Se...

Page 38: ...Performance Tests Performance Test 38 Agilent 81650A 1A 2A 4A 5A 6A 7A User s Guide Third Edition ...

Page 39: ...___________________ Performed by _________________________ Report No _________________________ Special Notes ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ _______...

Page 40: ..._____ ___________ 4 Optical Spectrum Analyzer HP 71452B ____________ ___________ 5 ____________________________ ____________ ____________ ___________ 6 ____________________________ ____________ ____________ ___________ 7 ____________________________ ____________ ____________ ___________ 8 ____________________________ ____________ ____________ ___________ 9 ____________________________ ____________...

Page 41: ... No ________ Date ________________ Test No Center Wavelength Min Spec Result Max Spec Measurement Uncertainty I Accuracy Test nm measured at _______ nm 1310nm 1295 nm _______ 1325 nm II Spectral Bandwidth rms nm measured at _______ nm 1310 nm _______ 3 5 nm III Output Power dBm measured at _______ nm 1310 nm 0 dBm _______ IV Power Stability dB dB measured at _______ nm 1310 nm _______ 0 01 ...

Page 42: ...Performance Tests Performance Test 42 Agilent 81650A 1A 2A 4A 5A 6A 7A User s Guide Third Edition ...

Page 43: ...___________________ Performed by _________________________ Report No _________________________ Special Notes ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ _______...

Page 44: ..._____ ___________ 4 Optical Spectrum Analyzer HP 71452B ____________ ___________ 5 ____________________________ ____________ ____________ ___________ 6 ____________________________ ____________ ____________ ___________ 7 ____________________________ ____________ ____________ ___________ 8 ____________________________ ____________ ____________ ___________ 9 ____________________________ ____________...

Page 45: ... No ________ Date ________________ Test No Center Wavelength Min Spec Result Max Spec Measurement Uncertainty I Accuracy Test nm measured at _______ nm 1550nm 1535 nm _______ 1565 nm II Spectral Bandwidth rms nm measured at _______ nm 1550 nm _______ 4 5 nm III Output Power dBm measured at _______ nm 1550 nm 0 dBm _______ IV Power Stability dB dB measured at _______ nm 1550 nm _______ 0 01 ...

Page 46: ...Performance Tests Performance Test 46 Agilent 81650A 1A 2A 4A 5A 6A 7A User s Guide Third Edition ...

Page 47: ..._____________________ Performed by _________________________ Report No _________________________ Special Notes ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ _____...

Page 48: ..._____ ___________ 4 Optical Spectrum Analyzer HP 71452B ____________ ___________ 5 ____________________________ ____________ ____________ ___________ 6 ____________________________ ____________ ____________ ___________ 7 ____________________________ ____________ ____________ ___________ 8 ____________________________ ____________ ____________ ___________ 9 ____________________________ ____________...

Page 49: ...nt Uncertainty I Accuracy Test nm measured at _______ nm 1550 nm 1535 nm _______ 1565 nm measured at _______ nm 1625 nm 1610 nm _______ 1640 nm II Spectral Bandwidth rms nm measured at _______ nm 1550 nm _______ 4 5 nm measured at _______ nm 1625 nm _______ 5 5 nm III Output Power dBm measured at _______ nm 1550 nm 0 dBm _______ measured at _______ nm 1625 nm 0 dBm _______ IV Power Stability dB dB...

Page 50: ...Performance Tests Performance Test 50 Agilent 81650A 1A 2A 4A 5A 6A 7A User s Guide Third Edition ...

Page 51: ..._____________________ Performed by _________________________ Report No _________________________ Special Notes ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ _____...

Page 52: ..._____ ___________ 4 Optical Spectrum Analyzer HP 71452B ____________ ___________ 5 ____________________________ ____________ ____________ ___________ 6 ____________________________ ____________ ____________ ___________ 7 ____________________________ ____________ ____________ ___________ 8 ____________________________ ____________ ____________ ___________ 9 ____________________________ ____________...

Page 53: ...nt Uncertainty I Accuracy Test nm measured at _______ nm 1310 nm 1295 nm _______ 1325 nm measured at _______ nm 1550 nm 1535 nm _______ 1565 nm II Spectral Bandwidth rms nm measured at _______ nm 1310 nm _______ 3 5 nm measured at _______ nm 1550 nm _______ 4 5 nm III Output Power dBm measured at _______ nm 1310 nm 0 dBm _______ measured at _______ nm 1550 nm 0 dBm _______ IV Power Stability dB dB...

Page 54: ...Performance Tests Performance Test 54 Agilent 81650A 1A 2A 4A 5A 6A 7A User s Guide Third Edition ...

Page 55: ...___________________ Performed by _________________________ Report No _________________________ Special Notes ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ _______...

Page 56: ..._____ ___________ 4 Optical Spectrum Analyzer HP 71452B ____________ ___________ 5 ____________________________ ____________ ____________ ___________ 6 ____________________________ ____________ ____________ ___________ 7 ____________________________ ____________ ____________ ___________ 8 ____________________________ ____________ ____________ ___________ 9 ____________________________ ____________...

Page 57: ... No ________ Date ________________ Test No Center Wavelength Min Spec Result Max Spec Measurement Uncertainty I Accuracy Test nm measured at _______ nm 1310nm 1295 nm _______ 1325 nm II Spectral Bandwidth rms nm measured at _______ nm 1310 nm _______ 5 5 nm III Output Power dBm measured at _______ nm 1310 nm 13 dBm _______ IV Power Stability dB dB measured at _______ nm 1310 nm _______ 0 01 ...

Page 58: ...Performance Tests Performance Test 58 Agilent 81650A 1A 2A 4A 5A 6A 7A User s Guide Third Edition ...

Page 59: ...___________________ Performed by _________________________ Report No _________________________ Special Notes ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ _______...

Page 60: ..._____ ___________ 4 Optical Spectrum Analyzer HP 71452B ____________ ___________ 5 ____________________________ ____________ ____________ ___________ 6 ____________________________ ____________ ____________ ___________ 7 ____________________________ ____________ ____________ ___________ 8 ____________________________ ____________ ____________ ___________ 9 ____________________________ ____________...

Page 61: ... No ________ Date ________________ Test No Center Wavelength Min Spec Result Max Spec Measurement Uncertainty I Accuracy Test nm measured at _______ nm 1550nm 1535 nm _______ 1565 nm II Spectral Bandwidth rms nm measured at _______ nm 1550 nm _______ 7 5 nm III Output Power dBm measured at _______ nm 1550 nm 13 dBm _______ IV Power Stability dB dB measured at _______ nm 1550 nm _______ 0 01 ...

Page 62: ...Performance Tests Performance Test 62 Agilent 81650A 1A 2A 4A 5A 6A 7A User s Guide Third Edition ...

Page 63: ..._____________________ Performed by _________________________ Report No _________________________ Special Notes ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ _____...

Page 64: ..._____ ___________ 4 Optical Spectrum Analyzer HP 71452B ____________ ___________ 5 ____________________________ ____________ ____________ ___________ 6 ____________________________ ____________ ____________ ___________ 7 ____________________________ ____________ ____________ ___________ 8 ____________________________ ____________ ____________ ___________ 9 ____________________________ ____________...

Page 65: ...t Uncertainty I Accuracy Test nm measured at _______ nm 1310 nm 1295 nm _______ 1325 nm measured at _______ nm 1550 nm 1535 nm _______ 1565 nm II Spectral Bandwidth rms nm measured at _______ nm 1310 nm _______ 5 5 nm measured at _______ nm 1550 nm _______ 7 5 nm III Output Power dBm measured at _______ nm 1310 nm 13 dBm _______ measured at _______ nm 1550 nm 13 dBm _______ IV Power Stability dB d...

Page 66: ...Performance Tests Performance Test 66 Agilent 81650A 1A 2A 4A 5A 6A 7A User s Guide Third Edition ...

Page 67: ...Agilent 81650A 1A 2A 4A 5A 6A 7A User s Guide Third Edition 67 Cleaning Instructions ...

Page 68: ...ment The Cleaning Instructions apply to a number of different types of Optical Equipment Table 2 lists the sections that are relevant to the various modules that can be installed in this instrument Table 2 Cleaning Instructions for Modules Modules Instruction Optical Heads How to clean instruments with an optical glass plate on page 81 Laser Source Modules How to clean instruments with a physical ...

Page 69: ... is operational The laser radiation is not visible to the human eye but it can seriously damage your eyesight To prevent electrical shock disconnect the instrument from the mains before cleaning Use a dry cloth or one slightly dampened with water to clean the external case parts Do not attempt to clean internally Do not install parts or perform any unauthorized modification to optical devices Refe...

Page 70: ...ggest ways to help you clean your various optical devices and thus significantly improve the accuracy and repeatability of your lightwave measurements What do I need for proper cleaning Some Standard Cleaning Equipment is necessary for cleaning your instrument For certain cleaning procedures you may also require certain Additional Cleaning Equipment Standard Cleaning Equipment Before you can start...

Page 71: ...ng denatured alcohol containing additives Instead apply alcohol used for medical purposes Never try to drink this alcohol as it may seriously damage to your health Do not use any other solvents as some may damage plastic materials and claddings Acetone for example will dissolve the epoxy used with fiber optic connectors To avoid damage only use isopropyl alcohol Cotton swabs We recommend that you ...

Page 72: ...me in various shapes and sizes The most suitable one to select for cleaning purposes has soft bristles which will not produces scratches There are many different kinds of pipe cleaner available from tobacco shops The best way to use a pipe cleaner is to push it in and out of the device opening for example when cleaning an interface While you are cleaning you should slowly rotate the pipe cleaner O...

Page 73: ...h a magnification range about 50X up to 300X A microscope can be found in most photography stores or can be obtained through or specialist mail order companies Special fiber scopes are available from suppliers of splicing equipment Ideally the light source on your microscope should be very flexible This will allow you to examine your device closely and from different angles A microscope helps you ...

Page 74: ... you are not sure how sensitive your device is to cleaning please contact the manufacturer or your sales distributor Premoistened cleaning wipes Use pre moistened cleaning wipes as described in each individual cleaning procedure Cleaning wipes may be used in every instance where a moistened soft tissue or cotton swab is applied Polymer film Polymer film is available from laboratory suppliers or sp...

Page 75: ...er surface When you have finished cleaning put the dust cap back on or close the shutter cap if the equipment is not going to be used immediately Keep the caps on the equipment always when it is not in use All of Agilent Technologies lightwave instruments and accessories are shipped with either laser shutter caps or dust caps If you need additional or replacement dust caps contact your nearest Agi...

Page 76: ...are unsure of how sensitive your device is to cleaning please contact the manufacturer or your sales distributor How to clean connectors Cleaning connectors is difficult as the core diameter of a single mode fiber is only about 9 µm This generally means you cannot see streaks or scratches on the surface To be certain of the condition of the surface of your connector and to check it after cleaning ...

Page 77: ... Clean the connector by rubbing the cotton swab over the surface using a small circular movement 3 Take a new dry soft tissue and remove the alcohol dissolved sediment and dust by rubbing gently over the surface using a small circular movement 4 Blow away any remaining lint with compressed air An Alternative Procedure A better more gentle but more expensive cleaning procedure is to use an ultrason...

Page 78: ...surface using a small circular movement 4 Blow away any remaining lint with compressed air How to clean connector interfaces CAUTION Be careful when using pipe cleaners as the core and the bristles of the pipe cleaner are hard and can damage the interface Do not use pipe cleaners on optical head adapters as the hard core of normal pipe cleaners can damage the bottom of an adapter Preferred Procedu...

Page 79: ...e in use CAUTION Never use any kind of solvent when cleaning a bare fiber adapter as solvents can damage the foam inside some adapters They can deposit dissolved dirt in the groove which can then dirty the surface of an inserted fiber Preferred Procedure Use the following procedure on most occasions 1 Blow away any dust or dirt with compressed air Procedure for Stubborn Dirt Use this procedure par...

Page 80: ...rocedure for Stubborn Dirt Use this procedure particularly when there is greasy dirt on the lens 1 Moisten a new cotton swab with isopropyl alcohol 2 Clean the lens by rubbing the cotton swab over the surface using a small circular movement 3 Using a new dry cotton swab remove the alcohol any dissolved sediment and dust 4 Blow away any remaining lint with compressed air How to clean instruments wi...

Page 81: ...it is easy to scratch optical components and cause them to be misaligned How to clean instruments with an optical glass plate Some instruments for example the optical heads from Agilent Technologies have an optical glass plate to protect the sensor Clean this glass plate in the same way as optical lenses see How to clean lenses on page 80 How to clean instruments with a physical contact interface ...

Page 82: ... Use this procedure particularly when there is greasy dirt on the interface 1 Moisten a new cotton swab with isopropyl alcohol 2 Clean the interface by rubbing the cotton swab over the surface using a small circular movement 3 Take a new dry soft tissue and remove the alcohol dissolved sediment and dust by rubbing gently over the surface using a small circular movement 4 Blow away any remaining li...

Page 83: ...of the interface 1 Moisten a new cotton swab with isopropyl alcohol 2 Clean the interface by rubbing the cotton swab over the surface using a small circular movement 3 Take a new dry soft tissue and remove the alcohol dissolved sediment and dust by rubbing gently over the surface using a small circular movement 4 Blow away any remaining lint with compressed air How to clean optical devices which a...

Page 84: ...to clean metal filters or attenuator gratings This kind of device is extremely fragile A misalignment of the grating leads to inaccurate measurements Never touch the surface of the metal filter or attenuator grating Be very careful when using or cleaning these devices Do not use cotton swabs or soft tissues as there is the danger that you cannot remove the lint and that the device will be destroye...

Page 85: ...iately insert the fiber into your bare fiber adapter in order to protect the surface from dirt How to clean large area lenses and mirrors Some mirrors as those from a monochromator are very soft and sensitive Therefore never touch them and do not use cleaning tools such as compressed air or polymer film Some lenses have special coatings that are sensitive to solvents grease liquid and mechanical a...

Page 86: ...impair measurement accuracy 4 Take a new dry soft tissue and remove the water by rubbing gently over the surface using a small circular movement 5 Blow away remaining lint with compressed air Alternative Procedure A To clean lenses that are extremely sensitive to mechanical stress or pressure you can also use an optical clean polymer film This procedure is time consuming but you avoid scratching o...

Page 87: ... the fiber end will rub up against something which could scratch it and leave deposits Lens cleaning papers Note that some special lens cleaning papers are not suitable for cleaning optical devices like connectors interfaces lenses mirrors and so on To be absolutely certain that a cleaning paper is applicable please ask the salesperson or the manufacturer Immersion oil and other index matching com...

Page 88: ...Cleaning Instructions Other Cleaning Hints 88 Agilent 81650A 1A 2A 4A 5A 6A 7A User s Guide Third Edition ...

Page 89: ...ut 16 Optional features 19 P Performance Tests Agilent 81650A 39 Agilent 81651A 43 Agilent 81652A 47 Agilent 81654A 51 Agilent 81655A 55 Agilent 81656A 59 Agilent 81657A 63 Center Wavelength 35 Output Power 36 Output Stability 36 Required Equipment 33 Spectral Bandwidth 35 Test Failure 33 Performance tests 32 S Safety information for laser source 4 Single mode module 32 ...

Page 90: ...90 Agilent 81650A 1A 2A 4A 5A 6A 7A User s Guide Third Edition ...

Page 91: ......

Page 92: ... Agilent Technologies GmbH 1999 2002 Printed in Germany February 20 2002 81650 90A13 www agilent com ...

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