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Coherent® High-Sensitivity Thermopile Sensor PS19 1098413 | 1W Max Power

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Coherent® High-Sensitivity Thermopile Sensors

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Active Area Diameter (mm):
Model Number:
PS19 Coherent Part Number: 1098413
Type of Sensor:
Length of Cable (m):
Linearity (%):
Computer Interface:
Calibration Uncertainty (%):
Calibration Wavelength (nm):
Cooling Method:
Maximum Incident Power Density (kW/cm2):
Response Time (s):
Power Range:
100µW - 1W
Compatible Meters:
Wavelength Range (nm):
300 - 11000
Wavelength Range (μm):
0.3 - 11
Maximum Incident Energy Density:
50mJ/cm2 (10ns, 1064nm)
Maximum Power (W):
Thermally Stabilized:
Power Resolution:

Regulatory Compliance

RoHS 2015:
Reach 224:
Certificate of Conformance:

Product Family Description

  • Broad Spectral Range with High Sensitivity and High Resolution
  • Large Active Area Sensors up to 19mm in Diameter
  • Flat Broadband Output with No Saturation above 1mW/cm2

Coherent® High-Sensitivity Thermopile Sensors are designed to have a broad spectral response to accommodate an array of lasers with different wavelengths. The large active area and high resolution of these thermopile sensors allows for accurate measurements of low-power lasers. A range of models are available to meet specific needs relating to thermal stability, background radiation, and air current effect. Coherent® High-Sensitivity Thermopile Sensors are designed to accurately measure the laser power of small laser diodes, HeNe lasers, and small ion lasers. Unique to this design, these sensors will not saturate when laser power exceeds 1mW/cm2.