Thermopile laser power meters

A thermopile is simply an array of thermocouples connected in series and close together. The most common application is when a voltage is applied to cool one side of the thermopile and whatever it is bonded to.

Thermopiles for laser power measurement, however, are used in the opposite fashion. That is, a temperature difference is used to create a voltage. On one side, the material heated by a laser (or any other radiation source), and on the other side is a heatsink. The laser's energy that is absorbed by the material is converted to heat.

With the hot absorber on one surface and the cold heatsink on the other, there is a temperature difference across the thermo-electric device as the heat flows through it. This temperature difference causes the thermopile to generate a voltage. That voltage is proportional to the temperature difference, which in turn is proportional to the laser power.

At Gentec-EO, we carefully design and build the thermopiles for our laser power detectors to make sure that we offer the best performance for your application. 

MAESTRO

MAESTRO

Display: Color touchscreen
Number of channels: 1
Output type: Display, USB, Ethernet, RS-232 and Analog
Meas...

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TUNER

TUNER

Display: LCD
Number of channels: 1
Output type: Display & Analog
Measurement type: Average power

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UNO

UNO

Display: LCD
Number of channels: 1
Output type: Display only
Measurement type: Average power

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UP19K-15S-H5-D0

UP19K-15S-H5-D0

Aperture: 19 mm Ø
Max. power: 15 W
Cooling: Convection
Absorber: H - Broadband

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UP19K-30H-H5-D0

UP19K-30H-H5-D0

Aperture: 19 mm Ø
Max. power: 30 W
Cooling: Heatsink
Absorber: H - Broadband

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UP19K-50L-H5-D0

UP19K-50L-H5-D0

Aperture: 19 mm Ø
Max. power: 50 W
Cooling: Large heatsink
Absorber: H - Broadband

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UP19K-110F-H9-D0

UP19K-110F-H9-D0

Aperture: 19 mm Ø
Max. power: 110 W
Cooling: Fan
Absorber: H - Broadband

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UP19K-150W-H5-D0

UP19K-150W-H5-D0

Aperture: 19 mm Ø
Max. power: 150 W
Cooling: Water
Absorber: 0

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UP19K-200W-H9-D0

UP19K-200W-H9-D0

Aperture: 19 mm Ø
Max. power: 200 W
Cooling: Water
Absorber: H - Broadband

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UP25N-40S-H9-D0

UP25N-40S-H9-D0

Aperture: 25 mm Ø
Max. power: 40 W
Cooling: Convection
Absorber: H - Broadband

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UP25N-100H-H9-D0

UP25N-100H-H9-D0

Aperture: 25 mm Ø
Max. power: 100 W
Cooling: Heatsink
Absorber: H - Broadband

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UP25N-250F-H12-D0

UP25N-250F-H12-D0

Aperture: 25 mm Ø
Max. power: 250 W
Cooling: Fan
Absorber: H - Broadband

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UP25M-350W-H12-D0

UP25M-350W-H12-D0

Aperture: 25 mm Ø
Max. power: 350 W
Cooling: Water
Absorber: H - Broadband

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UP55N-40S-H9-D0

UP55N-40S-H9-D0

Aperture: 55 mm Ø
Max. power: 40 W
Cooling: Convection
Absorber: H - Broadband

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UP55N-100H-H9-D0

UP55N-100H-H9-D0

Aperture: 55 mm Ø
Max. power: 100 W
Cooling: Heatsink
Absorber: H - Broadband

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UP55N-300F-H12-D0

UP55N-300F-H12-D0

Aperture: 55 mm Ø
Max. power: 300 W
Cooling: Fan
Absorber: H - Broadband

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UP55M-500W-H12-D0

UP55M-500W-H12-D0

Aperture: 55 mm Ø
Max. power: 500 W
Cooling: Water
Absorber: H - Broadband

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UP12E-10S-H5-D0

UP12E-10S-H5-D0

Aperture: 12 mm Ø
Max. power: 10 W
Cooling: Convection
Absorber: H - Broadband

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UP12E-20H-H5-D0

UP12E-20H-H5-D0

Aperture: 12 mm Ø
Max. power: 20 W
Cooling: Heatsink
Absorber: H - Broadband

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UP12E-70W-H5-D0

UP12E-70W-H5-D0

Aperture: 12 mm Ø
Max. power: 70 W
Cooling: Water
Absorber: H - Broadband

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UP19K-15S-W5-D0

UP19K-15S-W5-D0

Aperture: 19 mm Ø
Max. power: 15 W
Cooling: Convection
Absorber: W - Very high power density

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UP19K-30H-W5-D0

UP19K-30H-W5-D0

Aperture: 19 mm Ø
Max. power: 30 W
Cooling: Heatsink
Absorber: W - Very high power density

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UP19K-50L-W5-D0

UP19K-50L-W5-D0

Aperture: 19 mm Ø
Max. power: 50 W
Cooling: Large Heatsink
Absorber: W - Very high power density

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UP19K-50F-W5-D0

UP19K-50F-W5-D0

Aperture: 19 mm Ø
Max. power: 50 W
Cooling: Fan
Absorber: W - Very high power density

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UP19K-50W-W5-D0

UP19K-50W-W5-D0

Aperture: 19 mm Ø
Max. power: 50 W
Cooling: Water
Absorber: W - Very high power density

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UP55G-600F-HD-D0

UP55G-600F-HD-D0

Aperture: 55 mm Ø
Max. power: 600 W
Cooling: Fan
Absorber: HD - Broadband, high power

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UP55M-700W-HD-D0

UP55M-700W-HD-D0

Aperture: 55 mm Ø
Max. power: 700 W
Cooling: Water
Absorber: HD - Broadband, high power

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UP55C-2.5KW-HD-D0

UP55C-2.5KW-HD-D0

Aperture: 55 mm Ø
Max. power: 2500 W
Cooling: Water
Absorber: HD - Broadband, high power

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UP17P-6S-H5-D0

UP17P-6S-H5-D0

Aperture: 17 mm Ø
Max. power: 6 W
Cooling: Convection
Absorber: H - Broadband

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UP17P-6S-W5-D0

UP17P-6S-W5-D0

Aperture: 17 mm Ø
Max. power: 6 W
Cooling: Convection
Absorber: W - Very high power density

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UP50N-40S-W9-D0

UP50N-40S-W9-D0

Aperture: 50 mm Ø
Max. power: 40 W
Cooling: Convection
Absorber: W - Very high power density

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UP50N-50H-W9-D0

UP50N-50H-W9-D0

Aperture: 50 mm Ø
Max. power: 50 W
Cooling: Heatsink
Absorber: W - Very high power density

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UP50N-50F-W9-D0

UP50N-50F-W9-D0

Aperture: 50 mm Ø
Max. power: 50 W
Cooling: Fan
Absorber: W - Very high power density

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UP50M-50W-W9-D0

UP50M-50W-W9-D0

Aperture: 50 mm Ø
Max. power: 50 W
Cooling: Water
Absorber: W - Very high power density

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UP10K-2S-H5-L-D0

UP10K-2S-H5-L-D0

Aperture: 10 mm Ø
Max. power: 2 W
Cooling: Convection
Absorber: H - Broadband

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UP10P-2S-H5-L-D0

UP10P-2S-H5-L-D0

Aperture: 10 mm Ø
Max. power: 2 W
Cooling: Convection
Absorber: H - Broadband

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UP19K-15S-VR-D0

UP19K-15S-VR-D0

Aperture: 18 mm Ø
Max. power: 15 W
Cooling: Convection
Absorber: VR - High energy density

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UP19K-30H-VR-D0

UP19K-30H-VR-D0

Aperture: 18 mm Ø
Max. power: 30 W
Cooling: Heatsink
Absorber: VR - High energy density

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UPF10K-2S-H5-L-D0

UPF10K-2S-H5-L-D0

Aperture: 10 mm Ø
Max. power: 2 W
Cooling: Convection
Absorber: F - IR filter

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UPF10P-2S-H5-L-D0

UPF10P-2S-H5-L-D0

Aperture: 10 mm Ø
Max. power: 2 W
Cooling: Convection
Absorber: F - IR filter

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UP55N-50S-VR-D0

UP55N-50S-VR-D0

Aperture: 55 mm Ø
Max. power: 50 W
Cooling: Convection
Absorber: VR - High energy density

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UP55N-100H-VR-D0

UP55N-100H-VR-D0

Aperture: 55 mm Ø
Max. power: 100 W
Cooling: Heatsink
Absorber: VR - High energy density

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UP55N-150F-VR-D0

UP55N-150F-VR-D0

Aperture: 55 mm Ø
Max. power: 150 W
Cooling: Fan
Absorber: VR - High energy density

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UP55M-200W-VR-D0

UP55M-200W-VR-D0

Aperture: 55 mm Ø
Max. power: 200 W
Cooling: Water
Absorber: VR - High energy density

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