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Coherent PM2X Compact Thermopile Sensor

Updated:2025-03-13

Brand: Coherent
Model: PM2X
Description: This PM2X sensor is a compact laser power sensor intended for measuring lasers up to 2W. It incorporates a UV absorber coating that is optimized for use at ultraviolet wavelengths. Spectral compensati
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Product Details

Coherent PM2X Compact Thermopile Sensor Description：

Datasheet

This PM2X sensor is a compact laser power sensor intended for measuring lasers up to 2W. It incorporates a UV absorber coating that is optimized for use at ultraviolet wavelengths. Spectral compensation is available from 157 nm to 1064 nm.

The sensor is terminated in a SmartSensor DB25 cable and is directly compatible with all power meters in the catalog. A USB-direct model (PN 1257617) is available.

Key Features:

10 mW to 2W range

19 mm diameter active area

UV coating

0.15 to 1 μm

Convective air-cooled

ISO 17025 accredited

Specifications

Cable Type

PM DB-25

Cooling Type

Air

Power Range

10 mW to 2W

Active Area Diameter

19 mm

Detector Coating

Noise Equivalent Power (milliwatts)

0.2

Maximum Intermittent Power (watts)(<5 minutes)

Long-Pulse Joules Range (joules)

0.5 to 2

Wavelength Range (micrometers)

0.15 - 1

Maximum Power Density (kilowatts per square centimeter)

Maximum Energy Density (millijoules per square centimeter)

600, 1064 nm, 10 ns

Response Time, Speed-up On, 0% to 95% (seconds)

Window

None

Diffuser

None

Calibration Uncertainty (%)(k=2)

±1

Power Linearity (%)

±1

Spectral Compensation Accuracy (%)

±1.5

Calibration Wavelength (nanometers)

514

Cable Length (meters)

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