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Coherent PM1KX Water-cooled kW Laser Power Sensor

Updated:2025-03-13

Brand: Coherent
Model: PM1KX
Description: This PM1K-100 sensor is a water-cooled kW laser power sensor intended for measuring lasers up to 1000W. It incorporates a UV absorber coating that is optimized for use at ultraviolet wavelengths. Spec
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Product Details

Coherent PM1KX Water-cooled kW Laser Power Sensor Description：

Datasheet

This PM1K-100 sensor is a water-cooled kW laser power sensor intended for measuring lasers up to 1000W. 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.

Key Features:

100W to 1000W range

50 mm diameter active area

UV coating

0.15 to 1 μm spectral range

Water-cooled

ISO 17025 accredited

Specifications

Cable Type

PM DB-25

Cooling Type

Water

Power Range

1W to 1000W

Active Area Diameter

50 mm

Detector Coating

Noise Equivalent Power (milliwatts)

Maximum Intermittent Power (watts)(<5 minutes)

1500

Wavelength Range (micrometers)

0.15 to 1

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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