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All Products / Lasers / Laser Measurement and Electronics / Laser Power Meters / Coherent® Beam Position Sensing Thermopile Power Sensors
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Coherent® Beam Position Thermopile Power Sensors 1168339 | 10mW-3W

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Active Area Diameter (mm):
19
Model Number:
LM-3
Coherent Part Number: 1168339
Type:
Meterless
Type of Sensor:
Quad Element Thermopile
Length of Cable (m):
2.5
Linearity (%):
±1
Computer Interface:
USB
Calibration Uncertainty (%):
±2
Calibration Wavelength (nm):
10,600
Long Pulse Joule Mode Range (J):
0.5 - 10
Long Pulse Joule Mode Accuracy (%):
±3
Spectral Compensation Accuracy (%):
±1.5
Cooling Method:
Air
Maximum Incident Beam Power (W):
3
Maximum Incident Power Density (kW/cm2):
6
Power Range:
10mW - 3W
Wavelength Range (μm):
0.25 - 10.6
Maximum Incident Energy Density:
600mJ/cm2 (10ns, 1064nm)
Minimum Power (mW):
10

Regulatory Compliance

RoHS 2015:
Exempt
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Reach 224:
Contains SVHC(s)
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Certificate of Conformance:
View
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Product Family Description

  • Thermopile Detector Element for High Power Measurements
  • Measure Beam Position on Detector Surface
  • ISO 17025 Certified

Coherent® Beam Position Sensing Thermopile Power Sensors are all-purpose sensors designed to measure the average power or energy of a wide variety of continuous wave or pulsed lasers. Coherent Beam Position Sensing Thermopile Power Sensors utilize a quadrant thermopile detector disk to sense the position of the laser beam on the detector surface while measuring the laser power. Coherent thermopile sensors can operate across a wide range of input powers, and do not saturate.

Note: The LM-20 is designed for embedded use and must be mounted on a heat sink.