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Laser Power and Energy Meter, USB Only Interface


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Laser Power and Energy Meter, USB Only Interface

Item #PM100USB
Compatible SensorsPhotodiode, Thermal, and Pyroelectric
Optical Power Rangea100 pW to 200 W
Optical Energy Rangea3 µJ to 15 J
Available Sensor Wavelength Rangea185 nm - 25 μm
GUI Display Refresh Rate300 Hz
BandwidthaDC - 100 kHz
Photodiode Sensor Rangeb50 nA - 5 mA
Thermopile Sensor Rangeb1 mV - 1 V
Pyroelectric Sensor Rangeb100 mV - 100 V
  • Sensor Dependent
  • Ranges Selectable in Watts (Photodiode and Thermopile) or Joules (Pyroelectric) and is dependent on the sensor used.

Features

  • Compact Console Interfaces Power and Energy Sensors with a PC
  • Same Functionality as the PM100D Console
  • Advanced Measurement and Display Features
  • Compatible with over 25 Photodiode, Thermal, and Pyroelectric Sensors
  • Sensor and USB PC Connections with Indicator Lights
  • No External Power Supply Required

The PM100USB Console is a compact power and energy meter interface which allows PC control of an attached power or energy sensor. It contains many of the same features as the PM100D and PM100A Consoles, except it does not have a display screen or built-in console controls. Instead, the console and sensor are completely controlled via a USB connection and the supplied software. The PM100USB converts the signal from the attached sensor and transfers it to the PC.

The PM100USB is compatible with more than 25 standard photodiode, slim photodiode, integrating sphere, fiber, thermal, and pyroelectric sensors (see Power Meter Compatibility Chart). Additionally, it allows the connection of unamplified anode or cathode grounded photodiodes with up to 5 mA photocurrent, thermal elements with a maximum output voltage of 1 V, and pyroelectric sensors with a maximum output voltate of 100 V. Depending on the connected sensor, it can measure optical powers in the range from 100 pW to 200 W and energy from 3 µJ to 15 J. When used together with the ultra compact S15xC Series fiber sensor, the PM100USB becomes a compact and portable fiber power meter that is ideal for multi sensor applications.

PM100x Series GUI
PM100USB Control Software

Computer Control
The PM100USB and connected sensor are controlled through a PC running the supplied software. The standard GUI offers three panels for the display of various numeric parameters, a larger main panel and two subpanels. The displayed parameter can be selected, i.e. power, energy and their min or max values as well as their units. The GUI offers data logging with graphical, tabular or histogram representation and statistical evaluation of the measurements. The data can be stored as a text file. A driver set for the integration into 3rd party software or customized applications is provided as well.

Console Design
Like the PM100D the PM100USB features broad current and voltage measurement ranges and the capability of measuring power and energy. The AD converter allows for more measurement ranges of smaller spans, a higher acquisition rate, and higher precision. A selectable bandwidth of either 20 Hz or 100 kHz offers more flexibility and adaptability to specific measurement tasks while using photodiode sensors. The higher bandwidth is optimal for pulse-detection; the lower bandwidth offers better accuracy.

Additionally, the power meter can adapt to the thermal time constant of thermal sensors leading to significantly faster measurements with thermal sensors. Thermal sensors have an individual time constant that can vary greatly from unit to unit. Like the PM100D, the PM100USB can adjust to this individual constant for each sensor and thus minimize the response time of the system (sensor + console).

Fiber Power Meter Option
The compact, integrated, fiber sensors of the S15xC Series can be connected directly to the PM100USB turning the PM100USB into a compact, single unit fiber power meter. Any handling limitations due to cable movements or cable handling are avoided thus making this device ideal for multi-sensor applications that do not require a console but is controlled remotely via PC. The S150C offers exchangeable fiber adapters for FC, SMA, LC, SC, ST, and LC fiber connectors.

Item #PM100USB
Display
Display TypeExternal PC - Windows Application or Driver Set
Display ScreensWindows Application Software Provided
GUI Refresh Rate300 Hz
Sensor Interface
Compatible SensorsAll Photodiodes, Thermopiles, and Pyros
See below for full sensor specs
Time Constant Correction<1 s
AD Converter16 bit
ConnectorDB9F
Sensor Temperature ControlThermistor
Temperature Range-10 to 80 °C
Digital Outputs
Connector / InterfaceMini USB / USB2.0
Power
BatteryN/A
Charger / DC InputUSB / PC Provided
Dimensions and Mounting
Dimensions (LxWxH)95 mm x 63.5 mm x 32.5 mm
Weight<0.2 kg
Operating Temperature0 to 40 °C
Storage Temperature-40 to 70 °C

Sensor Compatibility Specs

Item #PM100USB
Detector CompatibilityPhotodiode Sensors: S1xxC Series
Photodiodes (Max 5 mA)
Thermal Sensors: S3xxC Series
Thermopiles (Max 1V)
Pyroelectric Sensors: ESxxxC Series Pyros (Max 100V)
Measurement Ranges6 Decades; 50 nA - 5 mA
Ranges Selectable in W,
Sensor Dependent
4 Decades; 1 mV - 1 V
Ranges Selectable in W,
Sensor Dependent
4 Decades; 100 mV - 100 V
Ranges Selectable in J,
Sensor Dependent
Wavelength Ranges200 nm - 1800 nm190 nm - 25 μm185 nm - 25 μm
Power / Energy Ranges100 pW - 20 W100 μW - 200 W10 μJ - 15 J
UnitsW, dBm, W/cm², AW, dBm, W/cm², VJ, dBm, J/cm², V
Accuracy±0.2% of Full Scale (5 µA - 5 mA)
±0.5% of Full Scale (50 nA)
±0.5% of Full Scale (10 mV - 1 V)
±1% of Full Scale (1 mV)
±0.5% of Full Scale (100 mV - 100 V)
Display Resolution1 pA / Responsivity Value (A/W)1 µV / Responsivity Value (V/W)100 µV / Responsivity Value (V/W)
BandwidthDC - 100 kHz, Dependent on Sensor and SettingsDC - 10 Hz, Dependent on Sensor and SettingsDC - 30 Hz, Dependent on Sensor and Settings
Wavelength CorrectionSensor Dependent; nm (A/W)Sensor Dependent; nm (V/W)Sensor Dependent; nm (V/J)

For a full list of the sensor head specifications please visit the Photodiode Power Sensors, Thermal Power Sensors, or Pyroelectric Energy Sensors pages. For other information, please contact tech support.

PD100USB Sensor Connector

D-type Female

DB9 Female

PinConnection
1+5 V (Drive max 50 mA from this pin)
2EEPROM Digital I/O
3Photodiode Ground (Anode), Thermal and Pyro Sensor Ground, Analog Ground
4Photodiode Cathode
5Pyro-Electric Sensor +
6DGND
7PRESENT (Connect this pin via a 1kΩ - 10kΩ resistor to Pin 3 (AGND))
8Thermal Sensor +
9N.C.

Computer Connection

USB Type Mini-B

USB Mini-B

USB Type Mini-B to Type A Cable Included

 Power Meter Consoles
PM200PM100DPM100USBPM100APM320E
 PM200PM100DPM100USBPM100APM320E
Standard Photodiode Sensors
S120VC yes yes yes yes yes
S120C yes yes yes yes yes
S121C yes yes yes yes yes
S122C yes yes yes yes yes
Slim Photodiode Sensors
S130C yes yes yes yes yes
S130VC yes yes yes yes yes
S132C yes yes yes yes yes
Microscope Slide Photodiode Sensor
S170C yes yes yes yes yes
Integrating Sphere Photodiode Sensors
S140C yes yes yes yes yes
S142C yes yes yes yes yes
S144C yes yes yes yes yes
S145C yes yes yes yes yes
S146C yes yes yes yes yes
Fiber Photodiode Sensors
S150C yes yes yes yes yes
S151C yes yes yes yes yes
S154C yes yes yes yes yes
S155C yes yes yes yes yes
Standard Thermal Sensors
S302C yes yes yes yes yes
S310C yes yes yes yes yes
S314C yes yes yes yes yes
S322C yes yes yes yes yes
Slim Thermal Sensor
S305C yes yes yes yes yes
High-Sensitivity Thermal Sensor
S401C yes yes yes yes yes
Thermal Sensors for Eximer and YAG Lasers
S350C yes yes yes yes yes
S370C yes yes yes yes yes
Pyroelectric Sensors
ES111C yes yes yes- yes
ES120C yes yes yes- yes
ES145C yes yes yes- yes
ES220C yes yes yes- yes
ES245C yes yes yes- yes
 yesFully Compatible
-Not Compatible

Sensor Options

The PM100USB console is compatible with more than 25 photodiode, slim photodiode, integrating sphere, fiber, thermal, and pyroelectric sensors covering the UV to the MIR. Additionally an unamplified anode or cathode grounded photodiode, with up to 5 mA photocurrent, thermal elements with up to 1 V output voltage, and pyroelectric sensors with max. 100 V output may be interfaced with the PM100USB. Depending on the application the sensor can measure optical powers in the range from 100 pW to 200 W and energy from 3 µJ to 15 J. A complete list of Thorlabs' C-Series sensors with selected specifications can be found on the Sensor Selection tab.

Please see the Applications tab for common sensor arrangements.

A selectable bandwidth of either 20 Hz or 100 kHz offers more flexibility and adaptability to specific measurement tasks while using photodiode sensors. The higher bandwidth is optimal for pulse-detection; the lower bandwidth offers better accuracy. Power and energy density can also be displayed based on user input beam areas. Optical sources may be attenuated / gained electronically through the console. Note: Attenuating the source through the console will not attenuate the light at the detector and damage may still occur above the detector threshold power.

Thorlabs' complete line of sensor heads are listed in the table to the right. Utilizing the variety of sensors, the PM100D can measure optical power and energy from CW and pulsed sources. Sensors are available for monitoring low power CW laser diode emission to high power excimer, YAG, and CO2 laser pulses.

The PM100USB can be used in the lab, as well as in the field with our fiber coupled sensors. Please see the Applications tab for a small sample of possible configurations. Contact tech support with any applications based questions.

Additionally, the PM100USB communicates with the sensor and accesses spectral response functions, time constants, and other information specific to the detector. The PM100USB then corrects for spectral response functions automatically. The power meter also accounts for the detector time constants (which can vary greatly, especially for Thermal sensors) for each sensor and can minimizes the response time of the system (sensor + console), thus greatly improving the efficiency of the unit.

Sensor Upgrade Service

Thorlabs' Sensors and PM100USB Console are not compatible with old power meter consoles and sensor heads, respectively. We offer a sensor upgrade service if you want to use your existing sensors with a new power meter console. Note: upgraded sensors will be incompatible with old power meter consoles and new sensors converted to work with older consoles will not be compatible with the PM100USB. Please contact our tech support team for details.

S150C and PM100D
Click to Enlarge

S150C Sensor with FC and SMA Connectors
Handheld Power Meter with iPad
Click to Enlarge

The PM160 wireless power meter, shown here with an iPad mini (not included), can be remotely operated using Apple mobile devices.

The full line of Thorlabs' Power and Energy Sensors are outlined in the table below. The photodiode and thermal sensors are compatible with all of Thorlabs' current line of power meter consoles. The pyroelectric sensors are compatible with all of our current power meter consoles except for the PM100A Analog Power Meter Console.

  • Photodiode sensors are designed for power measurements of monochromatic or near-monochromatic sources, as they have a wavelength dependent responsivity. These sensors deliver a current that depends on the input optical power and the wavelength. The current is fed into a transimpedance amplifier, which outputs a voltage proportional to the input current.
  • Thermal sensors are constructed from material has a relatively flat response function across a wide range of wavelengths, making them suitable for power measurements of broadband sources such as LEDs and SLDs. These sensors deliver a voltage proportional to the input optical power.
  • Pyroelectric energy sensors produce an output voltage through the pyroelectric effect and are suitable for measuring pulsed sources, with a repetition rate limited by the time constant of the detector. These sensors will output a peak voltage proportional to the incident pulse energy.

Click on the links in the table below to learn more about the features of our C-series sensors.

In addition to the power and energy sensors listed below, Thorlabs also offers all-in-one, wireless, handheld power meters that contain either a photodiode or a thermal sensor. More information can be found here.

Detector TypeSensor FamilyApplicationsItem #WavelengthEnergy or Power RangeDetector TypeApertureResponse Time
Photodiode
Power Sensors
Post-Mounted S120C Standard Photodiode Power Sensor
Standard Sensors
General Purpose
Power Measurements
S120VC200 - 1100 nm50 nW - 50 mWSiØ9.5 mm<1 µsa
S120C400 - 1100 nm50 nW - 50 mWØ9.5 mm
S121C400 - 1100 nm500 nW - 500 mWØ9.5 mm
S122C700 - 1800 nm50 nW - 40 mWGeØ9.5 mm
Post-Mounted S130C Slim Photodiode Power Sensor
Slim Sensors
Power Measurements in
Tight Spaces
S130VC200 - 1100 nmDual Range:
5 nW - 5 mW or
50 nW - 50 mW
Si
Slim
Ø9.5 mm
S130C400 - 1100 nmDual Range:
500 pW - 5 mW or
100 µW - 500 mW
Ø9.5 mm
S132C700 - 1800 nmDual Range:
5 nW - 5 mW or
100 µW - 500 mW
Gi SlimØ9.5 mm
S170C Microscope Slide Power Sensor
Microscope Slide
Sensor
Measure Power at the
Sample Plane of a Microscope
S170C350 - 1100 nm10 nW - 150 mWSi
Large Area
18 mm x
18 mm
Post-Mounted S142C Integrating Sphere Photodiode Power Sensor
Integrating Sphere Sensors
Power Measurements for
High Powers and Divergent Beams
S140C350 - 1100 nm1 µW - 500 mWSi
Integrating
Ø5 mm
S142C350 - 1100 nm5 µW - 5 WØ12 mm
S144C800 - 1700 nm100 nW - 500 mWInGaAs
Integrating
Ø5 mm
S145C800 - 1700 nm1 µW - 3 WØ12 mm
S146C900 - 1650 nm10 µW - 20 WØ12 mm
S150C Fiber Photodiode Power Sensor
Fiber Sensors
Fiber Power Measurements and
Field Applications
S150C350 - 1100 nm100 pW - 5 mWSi
Fiber
Ø5 mm
S151C400 - 1100 nm1 nW - 20 mWØ5 mm
S154C800 - 1700 nm100 pW - 3 mWInGaAs
Fiber
Ø5 mm
S155C800 - 1700 nm1 nW - 20 mWØ5 mm
Thermopile
Power Sensors
Post-Mounted S302C General Broadband Thermopile Power Sensor
Broadband Sensors
General Broadband
Optical Power Measurements
S302C190 nm - 25.0 µm100 µW - 2 WStabilized Thermal
Absorber
Ø12 mm3 sb
S310C190 nm - 25.0 µm10 mW - 10 WThermal Surface
Absorber
Ø20 mm<1 sb
S314C190 nm - 11.0 µm10 mW - 40 WØ25 mm
S322C250 nm - 11.0 µm100 mW - 200 WØ25 mm1 sb
S305C Image
Slim Sensor
Power Measurements in
Tight Spaces
S305C190 nm - 25.0 µm10 mW - 5 WØ10 mm<1 sb
S401C Image
High-Sensitivity Sensor
Broadband Optical Power
Measurements Down to 10 µW
S401C190 nm - 20.6 µm10 µW - 1 W (3W)cStabilized Thermal
Volume Absorber
Ø10 mm
Post-Mounted S350C YAG Broadband Thermopile Power Sensor
YAG and Excimer Sensors
Applications with
High Peak Powers or
YAG or Excimer Lasers
S350C190 nm - 1.1 µm
and 10.6 µm
10 mW - 40 WThermal Surface
Absorber
Ø40 mm1 sb
S370C400 nm - 5200 nm10 mW - 10 WThermal Volume AbsorberØ25 mm3 sb
S470C250 nm - 10.6 µm100 µW - 5 WØ15 mm<2 sb
Pyroelectric
Energy Sensors
Post-Mounted ES120C Standard Pyroelectric Thermopile Power Sensor
Standard Energy Sensors
General Purpose
Energy Meter
ES111C185 nm - 25.0 µm10 µJ - 150 mJPyroelectricØ11 mmN/Ad
ES120C185 nm - 25.0 µm100 µJ - 500 mJØ20 mm
ES145C185 nm - 25.0 µm500 µJ - 2 JØ45 mm
Post-Mounted ES245C High Energy Pyroelectric Thermopile Power Sensor
High Energy Sensors
High Energy Measurements
for High Peak Energy Lasers:
Excimer, CO2-TEA,
and Nd:YAG
ES220C185 nm - 25.0 µm500 µJ - 3 JPyroelectric
Ceramic
Coating
Ø20 mm
ES245C185 nm - 25.0 µm1 mJ - 15 JØ45 mm
  • The response time of the photodiode sensor. The actual response time of a power meter using these sensors will be limited by the update rate of your power meter console.
  • For thermal sensors, the response time is limited by the sensor material. Thorlabs' thermal sensors and power meter consoles are designed so that the incident power can be determined after a single time constant of the sensor. As a result, our C-series thermal sensors have relatively low response times compared to other thermal sensors.
  • With Intermittent Use (Maximum Exposure Time of 20 Minutes)
  • All pyroelectric sensors have a 20 ms thermal time constant, τ. This value indicates how long it takes the sensor to recover from a single pulse. To detect the correct energy levels, pulses must be shorter than 0.1τ and the repetition rate of your source must be well below 1/τ.

Standard Photodiode Sensor Mounting Options

Thorlabs Standard Photosdiode Sensors compact design allows easy integration into existing setups. Typical mounting configurations including post, cage, and lens tube options are available. Shown on this page are several different choices for mounting these sensors.

The Standard Photodiode Sensors are compatible with all S120-xx Series fiber adapters. FC/PC and SMA adapters are shown on the right. Adapters for SC, LC, and ST connections are also available.

Flip up mounts are convenient for quick power measurments from a static location. The sensor can be placed in the path of the laser beam for the power measurment and flipped down during normal operation of the system.

FM90 Right Angle Flip-Mounts are shown to the right. Thorlabs also offers the TRB1 Articulating Post Mount. The lockable articulating mount offers almost unlimited positioning of the sensor head. The articulating mount is shown on an S13xC Slim Photodiode Sensor below.

The Standard Photodiode Sensors also feature SM1 threaded connections on the front face. The SM1 theading provides easy mounting to 1" lens tube systems and quick release mounts.

Shown to the right are the KB1P Quick-Release Post Mount and QRC1A Quick-Release 30 mm Cage Mount. Both mounts feature SM1 threaded connections to the sensor heads.

Note: Due to the thickness of the S12xC sensor, the QRC1A and CP90F (shown below) quick release mounts can only be fully removed from the cage system by backing them off an open end. The two mounts are easily removed from the cage system if only three cage mounts are used. See the picture on the right.

Thorlabs also offers the CP90F 30 mm Cage Plates with Quick-Release Mounts. These mounts feature magnetically coupled mounting for easy and repeatable mounting.

Note: Like the QRC1A, the CP90F can not be removed from a closed cage system.

Slim Photodiode Sensor Mounting Options

Thorlabs' Slim Photodiode Sensors are designed to fit into tight optic arrangements such as cages, lens tubs, and optic dense free space arrangements.

Shown to the right is a S130C Sensor inserted into a 30 mm cage system. The application shown highlights the ease for which the sensor can be inserted into the cage, and the minimal space needed to take a power measurment.

The Slim Photodiode Sensors may also be mounted on a TRB1 Articulating Mount. This mount allows repeatable insertion of the sensor into tight optic arrangements. After the measurement is made, the sensor may be rotated out of the beam path for normal operation.

Integrating Sphere Photodiode Sensor Mounting Options

Thorlabs' Integrating Sphere Photodiode Sensor provides a low loss cavity for diverging, non-uniform, or off-axis beam measurements. These integrating spheres are ideal for all fiber based applications due to the beam divergence at the end of the fiber.

Shown to the right is an S140C Integrating Sphere with S120-FC Fiber Adapter. Also shown is an S140C with a S140-BFA Bare Fiber Adapter. The Bare Fiber adapter features a mounting clamp and light shield to decrease interference from ambient light.

Compact Fiber Photodiode Sensor Mounting Options

Thorlabs' Compact Fiber Photodiodes are the ideal choice for a portable, fiber coupled power meter. The S15xC sensors are compatible with a wide variety of fiber connections. PM20-xx adapters are available to couple FC, PC, SC, LC, SMA, and ST connectors with the sensors. Shown to the right is a S150C Sensor with FC and SMA connector adapters.

Shown to the far right is a PM100D console with S150C sensor connected to a FC connectorized optical fiber. This setup is ideal for portable in the lab and in the field use.

Pyroelectric Energy Sensor Mounting Options

Thorlabs' Pyroelectric Energy Sensors are ideal for measuring pulsed sources. These pyroelectric sensors provide direct energy readings for those sources. The sensors are designed to handle medium to high energy pulses from Excimer, YAG, and other high power lasers.

Mounting options include post (with insulating adapter) and cage configurations, shown to the right.

Software for the PM100x Series

All PM100x Series Consoles are shipped with the latest software versions preloaded onto the console or on the USB memory stick. The latest software, firmware, drivers, and utilities for the PM100x Series Power and Energy Meters are also available here.

Firmware updates are available for the PM100A, PM100D, and PM100USB Consoles. Each of these consoles can be controlled remotely by a PC utilizing the remote control application software. VXIpnp/VISA instrument driver are available for the Thorlabs PM100x Series Power Meter Consoles as well.

Software

Software Version 4.91; Firmware Version 1.1.2

GUI, Drivers, and Utilities for the PM100USB Power Meter

Software Download

Multi Console Option

Multi-console option

Up to six PM100x Series Power Meters can also be operated remotely using the PM100x Multi Console Utility. The integration of up to six consoles greatly reduces clutter and allows easier monitoring of multiple light sources.

The free software tool allows the real time monitoring of up to six PM100x Power Meters to be shown in a single plot. Simply connect your PM100A, PM100D, or PM100USB meters to a USB hub and download the software here. Each meter's wavelength correction is set individually to allow for monitoring systems with multiple wavelengths.

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Posted Comments:
Poster: shallwig
Posted Date: 2014-07-23 09:52:01.0
This is a response from Stefan at Thorlabs. Thank you very much for your feedback. At the moment it is not planned to offer the PM100USB in such a configuration. But the PM160 http://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=7233&pn=PM160#7267 allows you to communicate with your PC without using VISA as it can additionally to USB also transmit data by Bluetooth. I will contact you directly to discuss your application in detail.
Poster: catox
Posted Date: 2014-07-23 15:14:35.38
It would be great if you could offer a similar product with Serial via USB interface to remove the requirement for NI-VISA installation.
Poster: shallwig
Posted Date: 2014-04-17 08:49:33.0
This is a response from Stefan at Thorlabs. Thank you very much for your feedback and sharing this helpful information with us. I will contact you directly to discuss any open questions you have in this matter.
Poster: bagresci
Posted Date: 2014-04-17 17:10:32.223
I found a method to communicate with pm100usb. I and using Agilient USBTMC kernel driver with Scientific linux 6.4. (http://www.home.agilent.com/upload/cmc_upload/All/usbtmc.html?&cc=KR&lc=kor). Below is my shell script : ./usbtmc_ioctl 1 reset ./usbtmc_ioctl 1 clear echo INIT > /dev/usbtmc1 while((i<100)) do ./usbtmc_ioctl 1 reset ./usbtmc_ioctl 1 clear echo READ? > /dev/usbtmc1 cat /dev/usbtmc1 ((i=i+1)) done ./usbtmc_ioctl 1 reset ./usbtmc_ioctl 1 clear echo ABOR > /dev/usbtmc1 ./usbtmc_ioctl 1 reset ./usbtmc_ioctl 1 clear
Poster: hadmack
Posted Date: 2013-07-08 17:48:23.577
Could you please provide an update on the compatibility of PM100USB with the Linux USBTMC driver?
Poster: tschalk
Posted Date: 2013-07-10 08:40:00.0
This is a Response from Thomas at Thorlabs. Thank you very much for your inquiry. To control the device with Linux you would need a USBTMC-driver for Linux and the instrument-driver-code for the corresponding SCPI commands to communicate via the USBTMC driver. The low level specifications are the followings: - Universal Serial Bus Test and Measurement Class Specification (USBTMC) Revision 1.0. USB Implementers Forum. April 14, 2003 - and - Universal Serial Bus Test and Measurement Class, Subclass USB488 Specification (USBTMC-USB488) Revision 1.0. April 14, 2003 - and the command structures are - IEEE Std 488.2-1992; IEEE Standard Codes, Formats, Protocols, and Common Commands For Use With IEEE Std 488.1-1987, IEE Standard Digital Interface for Programmable Instrumentation - and the used command format is - Standard Commands For Programmable Instruments (SCPI) -. You can use the source code of our instrument driver which is an open source code under LGPL. This one can be changed so that it is possible to use the Linux - USBTMC communication instead of the NI functions. I will contact you directly for more detailed information.
Poster: jvigroux
Posted Date: 2012-06-20 09:54:00.0
A response from Julien at Thorlabs: Thank you for your feedback! The communication of the PM100USB is based on the USBTMC protocol. We rely on the VISA engine to create a stable overlayer on the USBTMC but if one does not want to use the VISA engine, it is of course possible to address the USB port directly at a USBTMC level. I will contact you to discuss further the possible approaches for the driver implementation you plan.
Poster: gnishi
Posted Date: 2012-06-19 20:45:33.0
It would be great to provide the Linux driver or low level USB specification to write the driver. We don't need NI plat form, which consumes huge resources (incl. cost.), to drive this powermeter.
Poster: jjurado
Posted Date: 2011-04-06 16:35:00.0
Response from Javier at Thorlabs to last poster: Thank you very much for your feedback. I will share your comments with our design engineers for the PM100USB. Please check back with us at techsupport@thorlabs.com if you would like to check on the status of this project.
Poster:
Posted Date: 2011-04-06 18:40:07.0
It would be great to have a product like this compatible with Android, and be able to use on a tablet or smartphone.
Poster: jjurado
Posted Date: 2011-02-14 18:14:00.0
Response from Javier at Thorlabs to huw.major: Thank you for submitting your inquiry. The crashing is most likely due to an older firmware version of the PM100USB power meter. You can upgrade to version 1.3 by installing the Device Firmware Upgrade wizard and following the instructions. You can download the firmware application via the following link: http://www.thorlabs.com/software_pages/ViewSoftwarePage.cfm?Code=PM100x I will follow up with you directly.
Poster: huw.major
Posted Date: 2011-02-14 11:52:53.0
Hi, I have 3 of these products and am trying to use them for prolonged testing purposes, > 1000Hrs constant use. I find them very easy to set up and use, but I have found that they constantly crash. I am using a Labview 2009 program, based on your supplied Labview example code, which seems to work fine most of the time. However, I am getting sporadic crashed of 1 or more power meters which require a power down to fix. The code is running under Windows 7, do you know of any issues with this combination?
Poster: huw.major
Posted Date: 2011-02-14 11:37:25.0
Hi, I have 3 of these products and am trying to use them for prolonged testing purposes, > 1000Hrs constant use. I find them very easy to set up and use, but I have found that they constantly crash. I am using a Labview 2009 program, based on your supplied Labview example code, which seems to work fine most of the time. However, I am getting sporadic crashed of 1 or more power meters which require a power down to fix. The code is running under Windows 7, do you know of any issues with this combination?
Poster: huw.major
Posted Date: 2011-02-14 11:32:47.0
Hi I have 3 of these products and am trying to use them for prolonged testing purposes, >1000Hrs constant use. I find them very easy to set up and use, but, I have found that they constantly crash. I am using a Labview 2009 program based on your supplied Labview code which seems to work fine most of the time. However, I am getting sporadic crashes of 1 or more power meters which require a power down to fix. The code is running under Windows 7, do you know of any problems with this combination?
Poster: julien
Posted Date: 2011-01-28 11:41:52.0
a response from Julien at Thorlabs: Thank you for your feedback. Several PM100USBs can be connected to the same hub. We actually provide a small utility software that allows to readout up to 8 PM100USB simultaneously. This utility can be downloaded from the software page of the PM100USB. Concerning the Iphone compatibility, the PM100USB software is entirely NI VISA based, which is as of now unfortunately not compatible with Iphones yet.
Poster: mobrien
Posted Date: 2011-01-27 12:46:16.0
I was wondering if you have given any thought to making a PM100USB App for the iPhone etc. Our company currently does not provide smartphones or tablets to its employees but you can kind of see where things are heading... On a related topic, we have one of these, could I connect multiple PM100USBs to a single USB port via a USB hub? Mike
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Laser Power and Energy Meter, USB Only Interface
  • Compact, USB Power and Energy Meter Interface
  • Compatible with Over 25 Photodiode, Thermal, and Pyroelectric Sensors
  • USB PC Connectivity
  • Console comes Calibrated with Certificate of Calibration
  • 1 GB USB Memory Stick with Software including LabVIEW™ and LabWINDOWS™ /CVI Driver Set, and Operating Manual

Please note that sensors are not included with the PM100USB console. For information about our compatible sensors, please see the sensor descriptions below.

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PM100USB Support Documentation
PM100USB USB Power and Energy Meter Interface for C-Type Sensors
$398.00
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Standard Photodiode Power Sensors
S120C and quick release 30mm Cage System
Click to Enlarge

S120C and CP90F Quick-Release Mount
  • For General Purpose Optical Power Measurements
  • Integrated Viewing Target for Easy Sensor Alignment
  • Ø9.5 mm Sensor Aperture
  • Compatible Fiber Adapters: S120-xx Series
  • Compatible with the PM200, PM100D, PM100USB, PM100A, and PM320E Consoles
  • Sensor, Protective Cap, IR Target, and Thread Adapter Included

The S12xC Standard Photodiode Power Sensors are ideal for metering low power coherent and incoherent sources from the UV to the NIR. The NIST-Traceable, calibrated sensors feature an integrated viewing target for easy alignment, enhanced shielding against electromagnetic interference, over temperature alert device, and large Ø9.5 mm sensor aperture. The sensors are compatible with 30 mm cage systems, Ø1/2" posts, and SM1 (1.035"-40) lens tubes, and are ideal for free-space and fiber-coupled sources.

Item #S120VCS120CS121CS122C
Sensor Image
(Click the Image to Enlarge)

S120VC

S120C

S121C

S122C

Aperture Size Ø9.5 mm
Wavelength Range 200 - 1100 nm 400 - 1100 nm 400 - 1100 nm 700 - 1800 nm
Power Range 50 nW - 50 mW 500 nW - 500 mW 50 nW - 40 mW
Detector Type Si Photodiode (UV Extended) Si Photodiode Ge Photodiode
Linearity ±0.5%
Resolutiona 1 nW 10 nW 2 nW
Measurement Uncertaintyb ±3% (451 - 1000 nm)
±5% (200 - 450 nm, 1001 - 1100 nm)
±3% (451 - 1000 nm)
±5% (400 - 450 nm, 1001 - 1100 nm)
±5%
Coating/Diffuser Reflective ND (OD1.5)c Reflective ND (OD1)d Reflective ND (OD2)e Absorptive ND (Schott NG9)
Head Temperature Measurement NTC Thermistor 4.7 kO
Housing Dimensions Ø30.5 mm x 12.7 mm
Cable Length 1.5 m
Post Mountingc,d,e Universal 8-32 / M4 Tap, Post Not Included
Aperture Thread External SM1 (1.035"-40)
Fiber Adapters S120-FC, S120-SMA, S120-ST, S120-LC, S120-SC (Not Included)
  • Measured with PM100D console in low bandwidth setting.
  • Beam diameter > 1 mm.
  • For the S120VC, these specifications are valid for devices with serial numbers 1203xxx or higher. Older versions had a reflective ND diffuser (OD1). Additionally, they came with an 8-32 tap and M4 adapter. For additional information, please contact technical support.
  • For the S120C, these specifications are valid for devices with serial numbers 1203xxx or higher. Older versions had an absorptive ND diffuser (Schott NG3). Additionally, they came with an 8-32 tap and M4 adapter. For additional information, please contact technical support.
  • For the S121C, these specifications are valid for devices with serial numbers 1203xxx or higher. Older versions had a absorptive ND diffuser (Schott NG9). Additionally, they came with an 8-32 tap and M4 adapter. For additional information, please contact technical support.
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S120VC Support Documentation
S120VC Standard Photodiode Power Sensor, Si, 200 - 1100 nm, 50 mW
$395.00
Today
S120C Support Documentation
S120C Standard Photodiode Power Sensor, Si, 400 - 1100 nm, 50 mW
$285.00
Today
S121C Support Documentation
S121C Standard Photodiode Power Sensor, Si, 400 - 1100 nm, 500 mW
$310.00
Today
S122C Support Documentation
S122C Standard Photodiode Power Sensor, Ge, 700 - 1800 nm, 40 mW
$570.00
Today
Slim Photodiode Power Sensors - S13xC Series
S130C Sensor in a 30mm Cage
Click to Enlarge

S130C Sensor in a 30 mm Cage
SM1A29 SM1 Thread Adapter for S130 Power Sensors
Click to Enlarge

SM1A29: SM1 Thread Adapter
Mounted on a S130C Sensor
  • For Optical Power Measurements in Confined Spaces
  • Very Slim Design: 5 mm Thin on Sensor Side
  • Ø9.5 mm Sensor Aperture
  • Slideable ND Filter Automatically Changes Sensor Power Range
  • Compatible with the PM200, PM100D, PM100USB, PM100A, and PM320E Consoles
  • Optional SM1A29 Adapter with UV/IR Target and External SM1 Threading (More Details)

The S13xC Slim Photodiode Power Sensors are designed to take optical source power measurements in locations where space and accessibility are at a premium. The 5 mm thin Slim Photodiode Sensors can fit between closely space optics, cage systems, and other arrangements where standard power meters may not fit. The NIST-Traceable, calibrated sensors also feature a large Ø9.5 mm sensor aperture and slideable neutral density filter for dual power ranges in one compact device.

A separately available SM1A29 adapter can be attached by 2 setscrews to any S130 series power sensor to mount fiber adapters, light shields, filters or any other SM1-threaded (1.035"-40) mechanics or optics.

Item #S130VCS130CS132C
Sensor Image
(Click the Image to Enlarge)

S130VC

S130C

S132C

Aperture Size Ø9.5 mm
Wavelength Range 200 - 1100 nm 400 - 1100 nm 700 - 1800 nma
Power Range
(with filter)
500 pW - 0.5 mWb
(Up to 50 mW)b
500 pW - 5 mW
(Up to 500 mW)
5 nW - 5 mW
(Up to 500 mW)
Detector Type Si Photodiode (UV Extended) Si Photodiode Ge Photodiode
Linearity ±0.5%
Resolution 100 pWc 1 nWd
Measurement Uncertaintye ±3% (451 - 1000 nm)
±5% (200 - 450 nm, 1001 - 1100 nm)
±3% (451 - 1000 nm)
±5% (400 - 450 nm, 1001 - 1100 nm)
±5%
Coating/Diffuser Reflective ND (OD1.5)b Reflective ND (OD2)f Absorptive ND (Schott NG9/KG3)a
Housing Dimensions 150 mm x 19 mm x 10 mm; 5 mm Thickness on Sensor Side
Cable Length 1.5 m
Post Mounting 8-32 and M4 Taps
  • For the S132C, these specifications are valid for devices with serial numbers 1203xxx or higher. Older versions had a reflective ND diffuser (OD1), which would decrease the wavelength range from 700 nm to 1800 nm to 1200 nm to 1800 nm. For additional information, please contact technical support.
  • For the S130VC, these specifications are valid for devices with serial numbers 1203xxx or higher. Older versions had an optical power range of 5 nW to 5 mW (50 nW to 50 mW with filter) and a reflective ND diffuser (OD1). For additional information, please contact technical support.
  • Measured with PM100D console in low bandwidth setting, without filter.
  • Measured with PM100D console in low bandwidth setting at 1550 nm, without filter.
  • Beam Diameter > 1 mm.
  • For the S130C, these specifications are valid for devices with serial numbers 1203xxx or higher. Older versions had an absorptive ND diffuser (Schott NG9). For additional information, please contact technical support.
SM1A29 is an adapter that can be attached by 2 set screws to any S130 series power sensor. This gives the possibility to mount fiber adapters, light shields, filters or any other SM1 threaded mechanics or optics.
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S130VC Support Documentation
S130VC Slim Photodiode Power Sensor, Si, 200 - 1100 nm, 50 mW
$575.00
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S130C Support Documentation
S130C Slim Photodiode Power Sensor, Si, 400 - 1100 nm, 500 mW
$475.00
3-5 Days
S132C Support Documentation
S132C Slim Photodiode Power Sensor, Ge, 700 - 1800 nm, 500 mW
$675.00
Today
SM1A29 Support Documentation
SM1A29 Customer Inspired! SM1 Thread Adapter for Slim Photodiode Sensors
$39.00
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Integrating Sphere Photodiode Power Sensors - S14xC Series
S142C and S140-BFA Bare Fiber Adapter
Click to Enlarge

S142C and S140-BFA Bare Fiber Adapter
S142C and S120-FC Fiber Adapter
Click to Enlarge

S142C and S120-FC Fiber Adapter
  • For Beam Shape and Entrance Angle Independent Power Measurements
  • Integrating Sphere Design Acts as a Diffuser with Minimal Power Loss
  • Ø5 mm or Ø12 mm Input Apertures
  • Removable S120-FC Fiber Adapters (FC/PC and FC/APC) Included
  • Compatible Fiber Adapters: S120-xx Series and S140-BFA Bare Fiber Adapter (More Details)
  • Compatible with the PM200, PM100D, PM100USB, PM100A, and PM320E Consoles

The S14xC Integrating Sphere Photodiode Power Sensors are the choice for non-uniform, diverging, beam shape and entrance angle independent power measurements. Integrating spheres are ideal for power measurements from fiber sources, as well as off-axis free space sources. The integrating spheres feature large Ø5 mm or Ø12 mm apertures, SM1(1.035"-40") threaded front connections, enhanced shielding against electromagnetic interference, and an overtemp alert sensor. Because of the large active detector areas of these sensors, the included S120-FC fiber adapter can be used with FC/PC- or FC/APC-connectorized fiber. NIST-traceable data is stored in the sensor connector.

Item #S140CS142CS144CS145CS146C
Sensor Image
(Click the Image to Enlarge)

S140C

S142C

S144C

S145C

S146C

Aperture Ø5 mm Ø12 mm Ø5 mm Ø12 mm
Wavelength Range 350 - 1100 nm 800 - 1700 nm 900 - 1650 nm
Power Range 1 µW - 500 mW 1 µW - 5 W 1 µW - 500 mW 1 µW - 3 W 10 µW - 20 W
Detector Type Si Photodiode InGaAs Photodiode
Linearity ±0.5%
Resolutiona 1 nW 10 nW
Measurement
Uncertaintyb
±3% (451 - 1000 nm)
±5% (350 - 450 nm, 1001 - 1100 nm)
±5%
Coating/Diffuser Zenith® PTFE Integrating Sphere (Ø1") Zenith® PTFE Integrating Sphere (Ø2")
Head Temperature Measurement NTC Thermistor 4.7 kO
Housing Dimensions Ø45 mm x 30.5 mm 70 mm x 74 mm x 70 mm Ø45 mm x 30.5 mm 70 mm x 74 mm x 70 mm
Cable Length 1.5 m
Post Mounting M4 and 8-32 Taps
Aperture Thread Included Adapter with SM1 (1.035"-40) External Thread
Compatible Fiber Adapters S120-FC (Included), S120-SMA, S120-ST, S120-SC, S120-LC
  • Measured with PM100D console in low bandwidth setting.
  • Beam diameter > 1 mm
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S140C Support Documentation
S140C Integrating Sphere Photodiode Power Sensor, Si, 350 - 1100 nm, 500 mW
$655.00
Today
S142C Support Documentation
S142C Integrating Sphere Photodiode Power Sensor, Si, 350 - 1100 nm, 5 W
$910.00
Today
S144C Support Documentation
S144C Integrating Sphere Photodiode Power Sensor, InGaAs, 800 - 1700 nm, 500 mW
$770.00
Today
S145C Support Documentation
S145C Integrating Sphere Photodiode Power Sensor, InGaAs, 800 - 1700 nm, 3 W
$945.00
Today
S146C Support Documentation
S146C Integrating Sphere Photodiode Power Sensor, InGaAs, 900 - 1650 nm, 20 W
$945.00
Today
S140-BFA Support Documentation
S140-BFA Bare Fiber Adapter for S140/C Series Power Sensors
$120.00
Today
Fiber Photodiode Power Sensors - S15xC Series
S150C and PM100D
Click to Enlarge

PM100D with S150C Sensor and FC Cable

The S15xC Compact Fiber Photodiode Power Sensor is designed to take power measurements from a wide variety of fiber coupled sources. The compact sensor, integrated into the power meter connector, features a unique integrated design housing the photodiode sensor, fiber coupling, and NIST-traceable data. Standard FC (and SMA - S150C and S151C) connectors are easily interchanged with a variety of standard fiber connectors.

Item #S150CS151CS154CS155C
Sensor Image
(Click the Image to Enlarge)

S150C

S151C

S152C

S153C

Included Connectors FCd & SMA FCd
Wavelength Range 350 - 1100 nm 400 - 1100 nm 800 - 1700 nm
Power Range 100 pW to 5 mW
(-70 dBm to +7 dBm)
1 nW to 20 mW
(-60 dBm to +13 dBm)
100 pW to 3 mW
(-70 dBm to +5 dBm)
1 nW to 20 mW
(-60 dBm to +13 dBm)
Detector Type Si Photodiode InGaAs Photodiode
Linearity ±0.5%
Resolutiona 10 pW (-80 dBm) 100 pW (-70 dBm) 10 pW (-80 dBm) 100 pW (-70 dBm)
Measurement Uncertaintyb ±3% (451 - 1000 nm)
±5% (350 – 450 nm, 1001 – 1100 nm)
±3% (451 - 1000 nm)
±5% (400 – 450 nm, 1001 – 1100 nm)
±5%
Coating/Diffuser N/A Absorptive ND (Schott NG3) N/A
Head Temperature Measurementc NTC Thermistor 3 kO
Aperture Thread External SM05 (0.535"-40)
Fiber Adapters Included: PM20-FC & PM20-SMA; Optional: PM20-LC, PM20-SC, PM20-ST Included: PM20-FC; Optional: PM20-LC, PM20-SC, PM20-ST, PM20-SMA
  • Measured with PM100D console in low bandwidth setting.
  • For a beam diameter > 1 mm incident on the active area of the detector (i.e. at the detector surface after the light has exited the fiber and passed through any internal optics).
  • This specification is valid for devices with serial numbers 1203xxx and higher. For older versions, please contact technical support.
  • Because of the large active detector area of these sensors, the included PM20-FC fiber adapter can be used with both FC/PC- and FC/APC-connectorized fiber.
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S150C Support Documentation
S150C Compact Fiber Photodiode Power Sensor, Si, 350 - 1100 nm, 5 mW
$285.00
Today
S151C Support Documentation
S151C Compact Fiber Photodiode Power Sensor, Si, 400 - 1100 nm, 20 mW
$325.00
Today
S154C Support Documentation
S154C Compact Fiber Photodiode Power Sensor, InGaAs, 800 - 1700 nm, 3 mW
$410.00
Today
S155C Support Documentation
S155C Compact Fiber Photodiode Power Sensor, InGaAs, 800 - 1700 nm, 20 mW
$470.00
Today
Thermal Sensors for General Applications - S3xxC Series
Thermal Sensor Absorption
Click to Enlarge

The S302C and S310C sensors have the same absorption curve as the S305C thermal sensor (sold below).
  • For General Broadband Optical Power Measurements
  • Available Aperture Sizes Between Ø9.3 mm and Ø25 mm (See Table Below)
  • Broadband Coatings with Flat Response over a Large Wavelength Range
  • Compatible with the PM200, PM100D, PM100USB, PM100A, and PM320E Consoles

Thorlabs' Standard Thermal Power Sensors are designed for broadband optical power measurements of low (100 µW) to high (200 W) power sources. Each thermal sensor's broadband coating has a flat spectral response over a wide wavelength range, as shown in the plot to the right.

NIST-traceable response curves are stored in the sensor connector. Aperture sizes from Ø9.3 mm to Ø25 mm allow easy alignment and measurement of large-spot-size laser sources. These sensors feature external SM1 (1.035"-40) threading on the front for easy integration into existing cage and lens tube systems in addition to fiber coupling applications.

Item #S302CS310CS314CS322C
Sensor Image
(Click Image to Enlarge)
S302C S310C S314C S322C
Aperture Size Ø9.3 mm (Ø12 mm with Black SM1-Threaded Shield Removed) Ø20 mm Ø25 mm
Wavelength Range 0.19 - 25 µm 0.19 - 25 µm 0.25 - 11 µm 0.25 - 11 µm
Power Range 100 µW - 2 W 10 mW - 10 W 10 mW - 40 W 100 mW - 200 W
Detector Type Stabilized Thermal Absorber Thermal Surface Absorber
Linearity ±1%
Resolutiona 1 µW 200 µW 1 mW 5 mW
Measurement Uncertaintyb ±3% @ 1064 nm
±5% @ 190 - 2940 nm
±3% @ 1064 nm
±5% @ 190 - 1064 nm
±3% @ 1064 nm
±5% @ 250 - 2940 nm
±3% @ 1064 nm
±5% @ 266 - 1064 nm
Response Timec 3 s <1 s 1 s
Cooling Convection (Passive) Active Fan Cooling
Housing Dimensions Ø40 mm x 50 mm 55 mm x 55 mm x 54 mm 100 mm x 100 mm x 55 mm 100 mm x 100 mm x 87 mm
Cable Length 1.5 m
Post Mounting M4, 60 mm Long Ø1/2" Post Included M6, 75 mm Long Ø1/2" Post Included
Cage Mounting N/A 30 mm Cage Systems via Four 4-40 Tapped Holes
Aperture Thread Externally SM1 (1.035"-40) Threaded
for Ø1" Lens Tubes
and Fiber Adapters
SM1-Threaded (1.035"-40) Adapter Plate for Ø1" Lens Tubes and Fiber Adapters
  • Measurement taken with the PM100D console with the acceleration circuit switched off. Resolution performance will be similar with our other power meter consoles.
  • For all of these sensors except the S314C: spectral calibration (the response values for wavelength correction outside of this calibration range) is interpolated from the general absorption curve for the absorber. Other calibration wavelengths are available on request.
  • Measured with display (0 - 90%).
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S302C Support Documentation
S302C Thermal Power Sensor, Stabilized, 0.19 - 25 µm, 2 W
$690.00
Today
S310C Support Documentation
S310C Thermal Power Sensor, Surface Absorber, 0.19 - 25 µm, 10 W
$690.00
Today
S314C Support Documentation
S314C Thermal Power Sensor, Surface Absorber, 0.25 - 11 µm, 40 W
$855.00
Today
S322C Support Documentation
S322C Thermal Power Sensor, Surface Absorber, 0.25 - 11 µm, 200 W, Fan Cooled
$1,260.00
Today
Slim Thermal Sensor
Item #S305C
Sensor Image
(Click Image to Enlarge)
S305C
Aperture Size Ø10 mm
Wavelength Range 0.19 - 25 µm
Power Range 10 mW - 5 W
Detector Type Thermal Surface Absorber
Linearity ±1%
Resolutiona 100 µW
Measurement Uncertaintyb ±3% @ 1064 nm; ±5% @ 190 - 2940 nm
Response Timec <1 s
Cooling Convection (Passive)
Housing Dimensions 40.7 mm x 40.7 mm x 18 mm
(1.6" x 1.6" x 0.71")
Cable Length 1.5 m
Post Mounting Universal 8-32 / M4 Tap, Post Not Included
Cage Mounting 3 x 4-40 Threads for 30 mm Cage Compatibility
Aperture Thread SM1 (1.035"-40) External Thread for
Ø1" Lens Tubes and Fiber Adapters
  • Measurement taken with the PM100D console with the acceleration circuit switched off.
  • Spectral calibration (the response values for wavelength correction outside of this calibration range) is interpolated from the general absorption curve for the absorber. Other calibration wavelengths are available on request.
  • Measured with display (0 - 90%).
  • Housing Dimensions: 40.7 mm x 40.7 mm x 18 mm (1.6" x 1.6" x 0.71")
  • For General Broadband Optical Power Measurements
  • Ø10 mm Aperture Size
  • Broadband Coating with Flat Response over a Large Wavelength Range
  • Compatible with the PM200, PM100D, PM100USB, PM100A, and PM320E Consoles
  • 30 mm Cage System and SM1 Lens Tube Compatible
Thermal Sensor Absorption
Click to Enlarge

The S305C sensor has the same absorption curve as the S302C and S310C thermal sensors featured above.

The S305C Slim Thermal Power Sensor is designed for detecting broadband optical powers from 10 mW - 5 W sources. Its slim profile makes it particularly useful in tight spaces. The broadband coating used on this thermal sensor features a flat response over a wide range of wavelengths, as shown in the plot to the right.

NIST-traceable response curves are stored in the sensor connector. The aperture size of Ø10 mm allows easy alignment and measurement of laser sources with large spot sizes. The Slim Thermal Sensor features external SM1 (1.035"-40) threading on the front for integration into existing Ø1" lens tube systems in addition to fiber coupling applications, and it also offers 4-40 taps at three corners that are compatible with our 30 mm cage systems. The sensor housing has virtually the same dimensions as a 30 mm cage plate. For use in particularly tight spaces, the front adapter can be removed to reduce the thickness from 18 mm to 15 mm.

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S305C Support Documentation
S305C Customer Inspired! Compact Thermal Power Sensor, Surface Absorber, 0.19 - 25 µm, 5 W
$690.00
Today
High-Sensitivity Thermal Sensor

Click to Enlarge

S401C Thermal Sensor with Included Light Shield
Item #S401C
Sensor Image
(Click Image to Enlarge)
S401C
Aperture Size Ø10 mm
Wavelength Range 0.19 - 10.6 µm
Power Range 10 µW - 1 W (3 Wa)
Detector Type Stabilized Thermal Volume Absorber
Linearity ±0.5%
Resolution 1 µW
Measurement Uncertaintyb ±3% @ 1064 nm; ±5% @ 190 nm - 10.6 µm
Response Time <1 s
Cooling Convection (Passive)
Housing Dimensions 33.0 m x 43.0 mm x 18.5 mm
(1.30" x 1.69" x 0.73")
Cable Length 1.5 m
Post Mounting Universal 8-32 / M4 Tap, Post Not Included
Cage Mounting N/A
Aperture Thread SM1 (1.035"-40) External Thread for
Ø1" Lens Tubes and Fiber Adapters
  • With Intermittent Use (Maximum Exposure Time of 20 Minutes)
  • Beam Diameter: >1 mm
  • For Broadband Optical Power Measurements Down to 10 µW
  • Housing Dimensions: 33.0 mm x 43.0 mm x 18.5 mm (1.30" x 1.69" x 0.73")
  • Ø10 mm Aperture Size
  • Compatible with the PM200, PM100D, PM100USB, PM100A, and PM320E Consoles
  • Included Adapter with External SM1 Threading (1.035"-40)
  • 29.4 mm (1.16") Long, Removable Light Shield Included (See Photo to the Right)

The S401C High-Sensitivity Thermal Sensor is designed for detecting broadband optical powers from 10 µW to 1 W sources with a resolution of 1 µW. The broadband coating used on this thermal sensor offers high absorption at wavelengths between 0.19 and 10.6 µm (shown in the plot below and to the right), which makes the sensor ideal for use with aligning and measuring Mid-IR Quantum Cascade Lasers (QCLs).

This sensor uses a thermal volume absorber, as these typically have significantly higher responsivities than thermal surface absorbers for detecting very low power levels and short (ns) pulses. However, this improvement usually comes at the expense of response time. The S401C sensor provides the best of both worlds, as it offers a similar response time to our fastest surface absorber thermal sensors (<1 s) without sacrificing the sensitivity needed for low power measurements.

The sensor aperture size of Ø10 mm allows easy alignment and measurement of laser sources with large spot sizes. The sensor also includes a removable, externally SM1-threaded (1.035"-40) adapter, which is held to the front of the sensor by two Philips-head screws. This adapter allows the sensor to be used with our Ø1" lens tubes, our fiber adapters (sold below), and the included, internally SM05-threaded (0.535"-40) light shield, as shown in the photo above and to the right. For use in particularly tight spaces, the adapter can be removed to reduce the thickness from 18.5 mm to 15 mm. The connector stores NIST-traceable calibration curves for the sensor.

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S401C Support Documentation
S401C High-Sensitivity Thermal Power Sensor, 0.19 - 10.6 µm, 10 µW - 1 W
$690.00
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Thermal Sensors for Excimer and YAG Lasers - S3xxC Series
Thermal Sensor Absorption
Click to Enlarge

These absorption curves are shown over a broader wavelength range than the sensors' operating ranges. See the table below for the operating wavelength range of each sensor.
For Excimer and YAG Lasers
  • For Optical Power Measurements of Excimer (S350C) and YAG (S370C and S470C) Lasers
  • Ideal for Applications with High Peak Powers
  • High-Sensitivity Version (S470C) Ideal for High-Peak-Power Pulses with Low Average Power
  • Compatible with the PM200, PM100D, PM100USB, PM100A, and PM320E Consoles

The S350C, S370C, and S470C Thermal Sensors are designed for high-peak-power pulsed laser sources. All of these units are post-mountable for free-space applications and feature NIST-traceable data stored in the sensor connector.

S350C
The S350C sensor features a Ø40 mm aperture and a 40 W max power (CW). It is designed for Excimer lasers and other applications that require measuring high-power, large-spot-size lasers.

S370C and S470C
The S370C and S470C are designed for YAG lasers. Both incorporate a Schott glass absorber on top of the thermal absorber; this glass layer allows them to detect pulses with high peak powers. The S370C features a large Ø25 mm aperture ideal for large-spot-size beams, and is compatible with average powers from 10 mW to 10 W (CW).

In comparison, the S470C has a smaller aperture of Ø15 mm and a lower max average power of 5 W. However, the S470C's smaller absorber decreases the response time to <2 s, and it has a thermal detector that can measure average powers down to 100 µW. With a housing size of only 45 mm x 45 mm x 18 mm, this thermal sensor head is also the most compact of our specialized thermal sensor heads for use with high-power lasers.

Item #S350CS370CS470C
Sensor Image
(Click the Image to Enlarge)
S350C S370C S470C
Aperture Size Ø40 mm Ø25 mm Ø15 mm
Wavelength Range 0.19 - 1.1 µm, 10.6 µm 0.4 - 5.2 µm 0.25 - 10.6 µm
Power Range 10 mW - 40 W (CW) 10 mW - 10 W (CW) 100 µW - 5 W (Pulsed and CW)
Max Power Density 2 kW/cm² (Avg.) 35 W/cm² (Avg.); 100 GW/cm² (Peak)
Detector Type Thermal Surface Absorber Thermal Volume Absorber
Linearity ±1% ±0.5%
Resolutiona 1 mW 250 µW 10 µW
Measurement Uncertaintyb ±3% @ 351 nm; ±5% @ 190 - 1100 nm ±3% @ 1064 nm; ±5% @ 400 - 1064 nm ±3% @ 1064 nm; ±5% @ 250 nm - 10.6 µm
Response Timec 1 s 3 s <2 s
Cooling Convection (Passive)
Housing Dimensions 100 mm x 100 mm x 55 mm 75 mm x 75 mm x 51.5 mm 45 mm x 45 mm x 18 mm
Cable Length 1.5 m
Post Mounting Ø1/2" Posts via M6 Tap
(75 mm Long Post Included)
Ø1/2" Posts via M6 Tap
(75 mm Long Post Included)
Ø1/2" Posts via Universal 8-32 & M4 Tap
(Post Not Included)
Cage Mounting N/A 30 mm Cage Systems via Four 4-40 Taps N/A
Aperture Thread N/A External SM1-Threaded (1.035"-40) Adapter Plate
for Mounting Ø1" Lens Tubes and Fiber Adapters
External SM1 (1.035'-40) for Mounting
Ø1" Lens Tubes and Fiber Adapters
  • Measurement taken with the PM100D console with the acceleration circuit switched, except for the S470C, which was measured with the PM200 console. Resolution performance will be similar with our other power meter consoles.
  • Spectral calibration (the response values for wavelength correction outside of this calibration range) is interpolated from the general absorption curve for the absorber. Other calibration wavelengths are available on request.
  • Measured with display (0 - 90%).
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
S350C Support Documentation
S350C Thermal Power Sensor, Surface Absorber, 0.19 - 1.1 µm and 10.6 µm, 40 W
$1,020.00
Today
S370C Support Documentation
S370C Thermal Power Sensor, Volume Absorber, 0.4 - 5.2 µm, 10 W
$1,055.00
Today
S470C Support Documentation
S470C NEW! High-Sensitivity Thermal Power Sensor, Volume Absorber, 0.25 - 10.6 µm, 0.1 mW - 5 W
$1,079.67
Today
Pyroelectric Sensors - ESxxxC Series
ES220C with a 30 mm Cage System
Click to Enlarge

ES220C Sensor Mounted in a 30 mm Cage System
  • For General Purpose and High Energy Optical Pulse Measurements
  • Black Broadband Coating with Flat Response Over a Wide Wavelength Range
  • Ceramic Coating with High Damage Thresholds for High-Energy-Density Lasers
  • Ø11 mm - Ø45 mm Sensor Area
  • Comes with BNC Connector for Oscilloscope Use and a Sensor Adapter for Use with the
    PM200, PM100D, PM100USB, and PM320E Consoles

The ESxxxC Standard and High Energy Pyroelectric Sensors are designed to measure pulsed coherent and incoherent sources. Pyroelectric sensors are not suited for CW measurements, as they convert energy from light pulses into voltage pulses. A black broadband or ceramic coating is used for low or high power measurements, respectively. Large sensor areas from Ø11 mm - Ø45 mm allow easy alignment. The energy sensors features BNC connectors for use with an oscilloscope, as well as standard power meter connectors which contain NIST and PTB-traceable calibration data.

Item #ES111CES120CES145CES220CES245C
Sensor Image
(Click the Image to Enlarge)
ES111C ES120C ES145C ES220C ES245C
Aperture Size Ø11 mm Ø20 mm Ø45 mm Ø20 mm Ø45 mm
Wavelength Range 0.185 - 25 µm
Energy Range 10 µJ – 150 mJ 100 µJ – 500 mJ 500 µJ – 2 J 500 µJ – 3 J 1 mJ – 15 J
Detector Type Pyroelectric Energy Sensor with Black Broadband Coating Pyroelectric Energy Sensor with Ceramic Coating
Resolution 100 nJ 100 nJ 1 µJ 25 µJ 50 µJ
Linearity ±1%
Measurement Uncertainty ±5% @ 0.185 - 25 µm
Housing Dimensions Ø36 mm x 16 mm Ø36 mm x 16 mm Ø75 mm x 21 mm Ø50 mm x 18 mm Ø75 mm x 21 mm
Cable Length 1.5 m
Post Mounting 8-32 Mounting Thread, 8-32 and M4 Insulating Adapters Included
Cage Mounting N/A Four 4-40 Threadings for
30 mm Cage Systems
N/A Four 4-40 Threadings for
30 mm Cage Systems
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
ES111C Support Documentation
ES111C Pyroelectric Energy Sensor, Broadband Coating, 0.185 - 25 µm, 150 mJ
$1,200.00
Today
ES120C Support Documentation
ES120C Pyroelectric Energy Sensor, Broadband Coating, 0.185 - 25 µm, 500 mJ
$1,250.00
Today
ES145C Support Documentation
ES145C Pyroelectric Energy Sensor, Broadband Coating, 0.185 - 25 µm, 2 J
$1,450.00
Today
ES220C Support Documentation
ES220C Pyroelectric Energy Sensor, Ceramic Coating, 0.185 - 25 µm, 3 J
$1,500.00
Today
ES245C Support Documentation
ES245C Pyroelectric Energy Sensor, Ceramic Coating, 0.185 - 25 µm, 15 J
$1,750.00
Today
Recalibration Service for Semiconductor Power Sensors

Thorlabs offers Calibration Services for our photodiode optical power sensors. To ensure accurate measurements, we recommend recalibrating the sensors annually. Recalibration of the console is included with the recalibration of a sensor. 

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
CAL1 Support Documentation
CAL1 Recalibration Service for Si Power Meter Sensors except S130 Series
$134.00
Lead Time
CAL2 Support Documentation
CAL2 Recalibration Service for Ge & InGaAs Power Meter Sensors except S132 Series
$150.00
Lead Time
CAL-S130 Support Documentation
CAL-S130 Recalibration Service for Si Power Meter Sensors for S130 Series and PM160
$155.00
Lead Time
CAL-S132 Support Documentation
CAL-S132 Recalibration Service for Ge Power Meter Sensors for S132 Series only
$165.00
Lead Time
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