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Coherent PM3K-100 Laser Power Sensor

Updated:2025-03-13

Brand: Coherent
Model: PM3K-100
Description: This PM3K-100 sensor is a water-cooled kW laser power sensor intended for measuring lasers up to 3000W. It’s large 100 mm diameter active area is designed for measuring direct diode lasers and large
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Product Details

Coherent PM3K-100 Laser Power Sensor Description：

Datasheet

This PM3K-100 sensor is a water-cooled kW laser power sensor intended for measuring lasers up to 3000W. It’s large 100 mm diameter active area is designed for measuring direct diode lasers and large laser diode arrays.

The sensor is terminated in a SmartSensor DB25 cable and is directly compatible with all power meters in the catalog.

Key Features:

100W to 3000W range

100 mm diameter active area

Spectrally flat broadband coating

25 to 11 µm spectral range

Water-cooled

ISO 17025 accredited

Specifications

Cable Type

PM DB-25

Cooling Type

Water

Power Range

100W to 3000W

Active Area Diameter

100 mm

Detector Coating

Broadband

Noise Equivalent Power (milliwatts)

Maximum Intermittent Power (watts)(<5 minutes)

4000

Wavelength Range (micrometers)

0.25 to 11

Maximum Power Density (kilowatts per square centimeter)

1 to 2.5

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)

±3

Power Linearity (%)

±1

Spectral Compensation Accuracy (%)

±1.5

Calibration Wavelength (nanometers)

1070

Cable Length (meters)

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