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THORLABS PM100USB, Operation Manual

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THORLABS PM100USB Operation Manual Download Page 33

© 2020 Thorlabs

8 Maintenance and Service

31

8   Maintenance and Service

Protect the PM100USB from adverse weather conditions. The PM100USB is not water resist-
ant.

 Attention 

To avoid damage to the instrument, do not expose it to spray, liquids or solvents!

The  unit  does  not  need  regular  maintenance  by  the  user.  It  does  not  contain  any  modules
and/or components that could be repaired by the user himself. If a malfunction occurs, please
contact 

Thorlabs

 for return instructions. 

Do not remove covers!

45

Summary of Contents for PM100USB

Page 1: ...Optical Power Meter PM100USB Operation Manual 2020...

Page 2: ...Version Date 1 5 13 Mar 2020 Copyright 2020 Thorlabs...

Page 3: ...ermal Sensors 11 5 3 Pyroelectric Energy Sensors 12 5 3 1 Auto Range 12 5 3 2 Trigger Level 12 5 3 3 Average Power Measurement 12 5 3 4 Density Calculation 12 5 3 5 Custom Pyroelectric Sensors 6 Measu...

Page 4: ...32 32 9 1 Technical Data 35 9 2 Pin Assignment of the Sensor Connector 36 9 3 Tutorial 36 9 3 1 Definitions and Explanations 36 9 3 1 1 Power Meter Specifications 37 9 3 1 2 Sensor Specifications 39...

Page 5: ...nternational 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 associa...

Page 6: ...via a fast USB interface which makes it easy to integrate the instrument in test and measurement systems The OPM software including the instrument drivers is available for download from the Thorlabs...

Page 7: ...o be damaged keep it until you have inspected the contents for completeness and tested the PM100USB mechanically and electrically Verify that you have received the following items within the package 2...

Page 8: ...ready for operation 4 LED USB connection to remote steering device PC or tablet established 3 2 Connecting a Power Sensor The PM100USB supports all Thorlabs C Series photodiode energy and thermal sens...

Page 9: ...s Sensors without a DE 9 connector The PM100USB will NOT automatically recognize sensors lacking a DE 9 connector as for the case of the A and B series Please contact Thorlabs for an upgrade of old se...

Page 10: ...can be found in the software manual downloaded here Note Do not connect the PM100USB prior to software installation Note The PM100USB can also be run using custom made software For this please refer t...

Page 11: ...l response data are stored in the non volatile memory of the DE 9 connector and are automatically downloaded by the PM100USB and utility software upon plug ging to the power meter Measurement Data Whe...

Page 12: ...is compatible with the Thorlabs C Series of thermal power sensors S3xxC S4xxC S175C equipped with a DE 9 connector The sensor is ready to operate only few seconds after plugging it to the DE 9 connect...

Page 13: ...ty software Optical Power Monitor will automatically recognize the presence of an adapter and show Sensor Type Photodiode Adapter in the GUI 2 Calibration Data Be aware that spectral response or other...

Page 14: ...et to exclude unwanted low power pulses from the analysis When an in coming pulse exceeds the set trigger level the peak detector circuit gets armed and is waiting until the pulse peak is reached Afte...

Page 15: ...onitor will automatically recognize the presence of an adapter and show Sensor Type Photodiode Adapter in the GUI 2 Calibration Data Be aware that spectral response of your custom pyroelectric sensor...

Page 16: ...laser power This heats up the absorber and the heat flow through thermocouple elements between absorbing area and sensor heat sink generates a small voltage Thorlabs C Series thermal power sensors S3...

Page 17: ...esistance the thermal time constant of the sensor Usually the latter is the more significant Wavelength The sensors are typically calibrated at one wavelength A sensor specific correction curve is sto...

Page 18: ...egrate the power incident on the active area of the sensor Therefore the time resolution of the thermal sensor is limited 6 4 Line Width of Light Sources The line width of light sources can be neglect...

Page 19: ...power or energy density for the beam diameter inserted in the software For high power or high energy beams a good efficiency can be reached by selecting a sensor with a detector size about 20 30 larg...

Page 20: ...instrument driver PM100D NI VISA to use the SCPI commands by using the Power Meter Driver Switcher that is installed with the Optical Power Monitor software package Please ensure to also install NI V...

Page 21: ...e enclosed in square brackets The brackets indicate that the parameter is optional and can be omitted The brackets are not sent with the command string In this example DC can be omitted so the command...

Page 22: ...ndard defines a set of common commands that perform functions like reset self test and status operations Common commands always begin with an asterisk are four to five characters in length and may inc...

Page 23: ...the instrument will always return 0 or 1 The following command uses a boolean parameter CURRent RANGe AUTO OFF 0 ON 1 String Parameters String parameters can contain virtually any set of ASCII charac...

Page 24: ...e query Read the Standard Event Enable Register ESR Event status register query Read and clear the Standard Event Register IDN Identification query Read the unit s identification string OPC Operation...

Page 25: ...completed the instrument returns to the idle state at which time all pending commands including OPC and or OPC are executed After the last pending com mand is executed the OPC bit and or an ASCII 1 i...

Page 26: ...uery information about the connected sensor This is a query only command The response consists of the following fields name sn cal_msg type subtype flags name sn cal_msg type subtype flags Sensor name...

Page 27: ...the event register CONDition Read the condition register PTRansition value Program the positive transition filter PTRansition Read the positive transition filter NTRansition value Program the negativ...

Page 28: ...er attenuation factor in dB LOSS INPut MAGNitude MINimum MAXimum DEFault Queries the user attenuation factor COLLect ZERO INITiate Performs zero adjustment routine ABORt Aborts zero adjustment routine...

Page 29: ...n state UPPer MINmum MAXimum numeric_valuje A Sets the current range in A UPPer MINimum MAXimum Queries the current range REFerence MINimum MAXimum DEFault numeric_value A Sets a delta reference value...

Page 30: ...T W DBM Sets the power unit W or dBm UNIT Queries the power unit VOLTage DC RANGe AUTO OFF 0 ON 1 Switches the auto ranging function on and off AUTO Queries the auto ranging function state UPPer MINmu...

Page 31: ...TATe OFF 0 ON 1 STATe AUTO OFF 0 ON 1 TAU MINimum MAXimum DEFault numeric_value s TAU MINimum MAXimum DEFault Sets the thermopile accelerator state Queries the thermopile accelerator state Sets the th...

Page 32: ...gure for sensor presence resistance measurement TEMPerature Configure for sensor temperature measurement MEASure SCALar POWer Performs a power measurement CURRent DC Performs a current measurement VOL...

Page 33: ...r resist ant Attention To avoid damage to the instrument do not expose it to spray liquids or solvents The unit does not need regular maintenance by the user It does not contain any modules and or com...

Page 34: ...dBm W cm A Measurement Ranges 106 50 nA 5 mA Ranges selectable in W or A Sensor Dependent Display Resolution 1 pA responsivity value A W AD Converter 16 bit Measurement Uncertainty 0 2 f s 5 A 5mA 0...

Page 35: ...r depending nm V J Beam Diameter Setting 1 e Sensor Temperature Control Supported Temperature Sensor Thermistor Temperature Measurement Range 10 C 80 C Interface Type USB 2 0 Connector Mini USB left s...

Page 36: ...nA 50 A 10 nA 5 A 1 nA 500 nA 100 pA 50 nA 10 pA 0 5 f s Voltage Input Thermal Sensors Voltage Range Display Resolution Measurement Accuracy 1 V 100 V 0 5 f s 100 mV 10 V 10 mV 1 V 1 mV 0 1 V 1 0 f s...

Page 37: ...connection 3 AGND analog ground photodiode ground anode thermal and pyro sensor ground 4 photodiode cathode 5 pyroelectric sensor 8 thermal sensor 7 PRESENT Connect this pin via a 1k 10k resistor to...

Page 38: ...minimum detectable change of power energy it is not the minimum measurable power energy As the power meter measures a current or a voltage the display resolution can be stated only in A or V In the sp...

Page 39: ...alibrated and thus able to measure with the specified measurement uncertainty Resolution is the minimum detectable change of the measured parameter The resolution is always specified for a certain pow...

Page 40: ...the average power of the pulse train is considered Please note that this specification is higher than the max measurable power consequently the sensor will enter saturation and the measurement result...

Page 41: ...tP pulse duration TP pulse period PPeak pulse peak power Pav pulse average power Repetition rate is related to pulse period Duty cycle is the ratio of pulse duration to pulse period Pulse average powe...

Page 42: ...he beam shape is not circular the area must be calculated using the appropriate formula For example if the beam shape is elliptical with d1 long axis and d2 short axis the beam area is Average Power D...

Page 43: ...er W pulse energy tP pulse duration dB beam diameter Pav average power fP repetition rate tP pulse duration dB beam diameter Pulse Energy Density x Given parameters Formula W pulse energy dB beam diam...

Page 44: ...nd meets all requirements of the Canadian Interference Causing Equipment Standard ICES 003 for digital apparatus These limits are designed to provide reasonable protection against harmful interference...

Page 45: ...2020 Thorlabs 9 Appendix 43 9 5 Certifications and Compliances...

Page 46: ...or the technical data of the de scribed unit at any time 9 7 Copyright and Exclusion of Liability Thorlabs has taken every possible care in preparing this document We however assume no li ability for...

Page 47: ...thorlabs com Thorlabs End of Life Policy WEEE Thorlabs verifies our compliance with the WEEE Waste Electrical and Electronic Equip ment directive of the European Community and the corresponding nation...

Page 48: ...www thorlabs com...

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