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Thorlabs Instrumentation
Optical Power and Energy Meter

PM320E
Operation Manual

2016

Summary of Contents for PM320E

Page 1: ...Thorlabs Instrumentation Optical Power and Energy Meter PM320E Operation Manual 2016...

Page 3: ...easurement 15 3 1 6 Setting an Attenuation Factor 15 3 1 7 Trigger Input 16 3 2 Photodiode Power Sensor Operation 16 3 2 1 Wavelength Correction 17 3 2 2 Dark Current Adjustment 17 3 2 3 Bandwidth Set...

Page 4: ...52 5 9 Error Reporting 6 Measurement Considerations 54 54 6 1 Choosing the Right Sensor 54 6 2 Reducing Noise for High Accuracy Measurements 54 6 3 Power Measurement of Pulsed Signals 55 6 4 Line Wid...

Page 5: ...67 8 6 Thorlabs End of Life Policy 68 8 7 Thorlabs Worldwide Contacts...

Page 6: ...international partners are looking forward to hearing from you Thorlabs GmbH Warning Sections marked by this symbol explain dangers that might result in personal injury or death Always read the associ...

Page 7: ...age setting see section Line Voltage Setting and the mains fuses see section Exchange Mains Fuses The PM320E must not be operated in explosion endangered environments Do not remove covers Do not obstr...

Page 8: ...re not to be used within the range of three meters of this unit since the electromagnetic field intensity may then exceed the maximum allowed disturbance values according to IEC 61326 1 This product h...

Page 9: ...aration Attention Prior to switching on your PM320E please check if the line voltage setting see voltage selector at the rear panel corresponds to your mains voltage and make sure the correct fuses ar...

Page 10: ...labs GmbH 8 PM320E 2 3 Operating Elements 2 3 1 Front Panel 1 Display 2 Control Knob 3 Power Switch 4 Soft Keys 5 6 7 Display Selector CH1 8 Photo Diode Input CH1 9 Photo Diode Input CH2 10 Display Se...

Page 11: ...nd Connector Banana Jack 4 mm 3 USB Interface Connector Type B 4 MISC Output Connector BNC 5 CH1 Sensor Connector DSUB 9 Pin female 6 Analog Output CH1 BNC 7 CH2 Sensor Connector DSUB 9 Pin female 8 A...

Page 12: ...2016 Thorlabs GmbH 10 PM320E 2 3 3 Main Displays Main Display Single Channel CH1 Main Display Dual Channel Display Power Trend Graph CH2 Display Power Statistics CH2...

Page 13: ...2016 Thorlabs GmbH 2 Getting Started 11 Display Energy Statistics CH2 Display Energy Histogram CH1...

Page 14: ...nd Statistics ON ON Channel 1 Channel 2 Dual Channel Screen To access the statistics and graphics displays select a single channel screen and toggle the right soft button CHx Display 3 1 2 System Sett...

Page 15: ...the information of the current display Sensor Main Display CH 1 CH2 Sub Display CH1 CH 2 Photodiode Power W Power dBm Delta Power W Delta Power dB Ratio CH1 CH2 CH2 CH1 dB Power Difference CH1 CH2 CH...

Page 16: ...OK soft key When power meter sensors are connected the ranges will show in Watts with energy sensors in Joules For the photodiode inputs the ranges can additionally be set in Amperes for the thermal...

Page 17: ...setup menu 3 1 7 Trigger Input For power and energy measurements the PM320E has two trigger modes that can be selected for each channel in the CHx Setup under Trigger Source Depending on the connecte...

Page 18: ...ensity filters and also integrating sphere materials show a wavelength dependent behavior and therefore each sensor is individually calibrated over the spectral working range in 5 nm steps The individ...

Page 19: ...light To perform the adjustment cover the sensor with the metal protection cap or when a fiber connector is assembled plug a fiber laser switched off and press the Control knob or press the Enter sof...

Page 20: ...the active area thermal disk and the sensor heat sink with no light incident to the active area or when the heat sink gets hot under light exposure An indicator that the sensor needs to be zeroed is...

Page 21: ...ent to one of the DB 9 connectors CH1 or CH2 with pin 8 to plus pole and pin 3 to ground Connect a resistor 1 kW to 10 kW between pin 7 PRESENT and 3 GND The PM320E will recognize a Thermal Head Adapt...

Page 22: ...play will be held on the last measured value To reset the reading scroll to the Reset setting and press the multi control knob The measurement value will show until the next pulse appears Pyroelectric...

Page 23: ...power or energy density in the Main Display For entering the beam diameter navigate the CHx Setup to Beam Diameter 1 e2 3 4 4 Custom Pyroelectric Sensors Beside Thorlabs pyroelectric energy sensors a...

Page 24: ...polarity can be changed only with the Bias voltage switched off 3 5 2 Setting the Photodiode Responsivity The photo current can be displayed as a power level in Watts or dBm only if the polarity has b...

Page 25: ...ut in the rear panel To start the data acquisition press the Start Reset button Statistics Mode for Power Energy Measurements 3 7 Chart Mode Power Sensors The chart mode can be accessed by toggling th...

Page 26: ...left and right side of the histogram 3 9 System Configuration The system configuration menu contains the following items Item Value Description LCD Brightness 0 100 Sets Backlight of the LCD Sound ON...

Page 27: ...t that provides a voltage from 10V to 10V depending on the selected function The voltage from this output can be configured in the Misc Output Configuration in the main Menu in terms of each possible...

Page 28: ...the installation you also need to install NI VISA form the distribution CD or from the National Instruments web site After the software is installed successfully connect the PM320E to a USB port of yo...

Page 29: ...ins the following items Thorlabs Vendor ID 0x1313 Product ID 0x8022 PM320E Serial number The utility software will recognize and update connected sensors while the program is running The display data...

Page 30: ...s Enable query IEEE488 2 1992 10 11 ESR Standard Event Status Register query IEEE488 2 1992 10 12 CLS Clear Status command IEEE488 2 1992 10 3 Descriptions Identification Query Command format IDN Resp...

Page 31: ...s Status Byte see also IEEE488 2 1992 10 36 and chapter Status Reporting in this document Standard Event Status Enable Command Command format ESE DECIMAL NUMERIC PROGRAM DATA Description Sets the devi...

Page 32: ...l 1 2 measured photodiode current value A FETCH VOLT 1 2 VAL Fetch the channel 1 2 measured photodiode thermopile voltage value V FETCH UPY 1 2 VAL Fetch the channel 1 2 measured pyroelectric adapter...

Page 33: ...NUMERIC RESPONSE DATA Description Queries the channel 1 2 measured pyroelectric adapter voltage in Volt V Note If an overflow occurs the value Inf or Inf is returned Query the Zero Offset Value Comma...

Page 34: ...he selected channel The status of a measurement can be checked with the MEAS CHECK 1 2 command see below Abort a running measurement Command syntax MEAS ABORT 1 2 Description Cancels a running measure...

Page 35: ...ency NR3 NUMERIC RESPONSE DATA Description Queries the channel 1 2 measured pulse repitition frequency value in Hertz Hz of the measurement started by MEAS INIT 1 2 Note If an overflow occurs the valu...

Page 36: ...lectric voltage range VRANGE 1 2 MAX Query the channel 1 2 maximum settable pyroelectric voltage range WAVEL 1 2 VAL Set the wavelength for channel 1 2 WAVEL 1 2 VAL Query the currently used wavelengt...

Page 37: ...nsor trigger level range TRIGMODE 1 2 Set the channel 1 2 trigger mode TRIGMODE 1 2 Query the channel 1 2 trigger mode BEAMDIA 1 2 VAL Set the pyro sensor beam diameter 1 2 BEAMDIA 1 2 VAL Query the p...

Page 38: ...uery Channel 1 2 Maximum Current Range Command format IRANGE 1 2 MAX Response format CHARACTER RESPONSE DATA AUTO R100NA R1UA R10UA R100UA R1MA R10MA Description Queries the channel 1 2 maximum settab...

Page 39: ...ponse format VRANGE 1 2 CHARACTER PROGRAM DATA R100MV R1V R10V R100V Description Sets the pyroelectric voltage range for channel 1 2 Query Channel 1 2 Pyroelectric Voltage Range Command format VRANGE...

Page 40: ...Description Queries channel 1 2 power attenuation range Set Channel 1 2 Photodiode Input Sensor Bandwidth Command format PDBANDW 1 2 CHARACTER PROGRAM DATA LOW HIGH Description Sets the photo diode i...

Page 41: ...MERIC RESPONSE DATA Description Queries the channel 1 2 currently used photodiode input BIAS voltage V Query Channel 1 2 Photodiode Input BIAS Voltage Range Command format PDBIAS 1 2 RNG Response form...

Page 42: ...esponsivity V W NR3 NUMERIC RESPONSE DATA Description Queries channel 1 2 thermopile responsivity range Set Channel 1 2 Pyro Sensor Responsivity Command format PYRESP 1 2 VAL DECIMAL NUMERIC PROGRAM D...

Page 43: ...ommand format BEAMDIA 1 2 RNG Response format minimum settable pyro sensor beam diam m NR3 NUMERIC RESPONSE DATA maximum settable pyro sensor beam diam m NR3 NUMERIC RESPONSE DATA currently used pyro...

Page 44: ...nitor 30201 Thermopile Adaptor 30202 Thermopile Sensor 30212 Thermopile Sensor with temperature monitor 30301 Pyroelectric Adaptor 30302 Pyroelectric Sensor 30312 Pyroelectric Sensor with temperature...

Page 45: ...OUT OFFS VAL Query the MISC Output offset voltage MISCOUT OFFS RNG Query the MISC Output offset voltage range Descriptions Set MISC Output Operating Mode Command format MISCOUT MODE CHARACTER PROGRAM...

Page 46: ...1V 3mW R10MW 1V 10mW R30MW 1V 30mW R100MW 1V 100mW R300MW 1V 300mW R1W 1V 1W R3W 1V 3W R10W 1V 10W R30W 1V 30W R100W 1V 100W Query MISC Output sensitivity Watt modes Command format MISCOUT SENS WATT...

Page 47: ...R10DB 1V 10dB Query MISC Output sensitivity dB modes Command format MISCOUT SENS DB Response format CHARACTER RESPONSE DATA R0_1DB R0_3DB R1DB R3DB R10DB Description Queries the MISC Output sensitivit...

Page 48: ...MAL NUMERIC PROGRAM DATA Description Sets the MISC Output offset voltage V Query MISC Output Offset Voltage Command format MISCOUT OFFS VAL Response format offset voltage NR3 NUMERIC RESPONSE DATA Des...

Page 49: ...STAT ERR EVT Response format NR1 NUMERIC RESPONSE DATA Description Queries the device s Error Event Register see also chapter Status Reporting in this document Set Device Error Event Enable Register...

Page 50: ...Sets the device s Operation Event Enable Register see also chapter chapter Status Reporting in this document Query Device Operation Event Enable Register Command format STAT OPER ENA Response format...

Page 51: ...s the device s hardware option bitmap software option bitmap and the mainboard ID For further information see chapters Hardware Options Software Options and Supported Mainboard IDs in this document Qu...

Page 52: ...ce information Set Linefilter Command format SYST LINEFILTER CHARACTER PROGRAM DATA 50HZ 60HZ Description Sets the device line filter setting Note For optimum device operation set the line filter to y...

Page 53: ...ne error in the error queue 1 DOS Device Operation Status Structure Summary Bit 0 Reserved Device Error Status Structure The Device Error Status Structure reflects asynchronous device errors Bits in t...

Page 54: ...eading keyboard controller signature 16 Keyboard controller update failed with timeout at writing image 17 Keyboard controller update failed with timeout at reading back image 18 Keyboard controller u...

Page 55: ...running 82 Zero procedure failed 83 No PD polarity switching during BIAS on 100 Authentication required for operation 101 Authentication failed 110 Operation is not allowed in SERVICE MODE 111 Operat...

Page 56: ...be linked to earth ground e g via a post energy sensors should be mounted isolated because the housing is connected to the PM320E analog ground The sensor cable must handle very small current or volta...

Page 57: ...show the right optical power for a symmetrical spectral response shape 6 5 Temperature Effects on Thermal Sensors Thermal sensors react on any temperature differences that occur between thermal disc a...

Page 58: ...acceptance angle is calculated by the numerical aperture of the fiber and is defined as the inverse sine of the numerical aperture Fore typical single mode fibers the total angle of the emitted light...

Page 59: ...10 10 90 V 115 V or 115 V 10 10 104 V 132 V or 230 V 10 10 207 V 264 V The line voltage setting can be changed on the rear without opening the unit 1 Turn off the PM320E and disconnect the mains cabl...

Page 60: ...fuse holder by pressing its plastic retainers with the aid of a small screwdriver The retainers are located on the right and left side of the holder and must be pressed towards the center 3 Replace t...

Page 61: ...nect the PM320E to an USB port of your PC and launch the DFU wizard from the start bar Follow the wizard instructions Please refer to www thorlabs com for the latest PM320E firmware version that can b...

Page 62: ...mal sensor is connected Check if the channel display is in the right mode to display absolute power Conduct the dark current adjustment procedure A photodiode is connected Check the polarity setting I...

Page 63: ...A 10 pA 1 x 107 V A 0 5 f s 1 kHz 25 Hz Voltage Input Thermal Sensors Full Scale Measurement Ranges 1 mV 1 V in decade steps Maximum Display Resolution 0 1 V Display Units V W dBm Input Impedance 1 MW...

Page 64: ...S3xxC Thermal Sensors ES1xxC ES2xxC Pyroelectric Sensors Anode and Cathode Grounded Photodiodes Custom Thermal Sensors Custom Pyroelectric Sensors General Data Line Voltage selectable 100 V 115 V 230...

Page 65: ...on This pin is uniquely used for the memory in the sensor head and must not be used Connecting this pin may cause malfunction of the PM320E 3 photodiode ground anode thermal and pyro sensor ground ana...

Page 66: ...61000 3 2 AC Power Line Harmonic Emissions IEC 61000 3 3 Voltage Fluctuations and Flicker FCC EMC Compliance Emissions comply with the Class B Limits of FCC Code of Federal Regulations 47 Part 15 Subp...

Page 67: ...and software determined by Thorlabs GmbH for this unit to operate fault free provided that they are handled according to our requirements However Thorlabs GmbH does not warrant a fault free and uninte...

Page 68: ...oduct In no event shall any liability exceed the purchase price of the product Please note that the content of this User Manual is neither part of any previous or existing agreement promise representa...

Page 69: ...ce does not refer to other Thorlabs GmbH products such as pure OEM products that means assemblies to be built into a unit by the user e g OEM laser driver cards components mechanics and optics left ov...

Page 70: ...horlabs Sweden AB M lndalsv gen 3 412 63 G teborg Sweden Tel 46 31 733 30 00 Fax 46 31 703 40 45 www thorlabs com Email scandinavia thorlabs com France Thorlabs SAS 109 rue des C tes 78600 Maisons Laf...

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