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Coherent PowerMax-USB LM-3 Laser Power Sensor

Updated:2025-03-13

Brand: Coherent
Model: PowerMax-USB LM-3
Description: This PowerMax-USB LM-3 sensor is terminated in a USB cable that interfaces directly to a PC. A DB25 model (PN 1098328) is available.SMA fiber adapter (PN 1098589) and FC/PC fiber adapter (PN 1098339)
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Product Details

Coherent PowerMax-USB LM-3 Laser Power Sensor Description：

Datasheet 1 Datasheet 2 User's Manual

This PowerMax-USB LM-3 sensor is terminated in a USB cable that interfaces directly to a PC. A DB25 model (PN 1098328) is available.

SMA fiber adapter (PN 1098589) and FC/PC fiber adapter (PN 1098339) accessories are available.

These unique position sensing thermopiles display the position of the incident beam on the sensor disk, in addition to measuring power. This information allows the user to safely and precisely align the sensor and the beam being measured. This is particularly useful for non-visible beams.

Key Features:

10 mW to 3W range

19 mm diameter active area

Beam position measurement

Spectrally flat broadband coating

0.25 to 10.6 μm spectral range

Convective air-cooled

Fiber adapters available

Direct USB interface

ISO 17025 accredited

Specifications

Cable Type

USB

Cooling Type

Air

Power Range

10 mW to 3W

Active Area Diameter

19 mm

Detector Coating

Broadband

Noise Equivalent Power (milliwatts)

0.4

Maximum Intermittent Power (watts)(<5 minutes)

Long-Pulse Joules Range (joules)

0.5 to 10

Wavelength Range (micrometers)

0.25 to 10.6 μm

Maximum Power Density (kilowatts per square centimeter)

6 kW/cm2

Maximum Energy Density (millijoules per square centimeter)

600 mJ/cm2 10 ns, 1064 nm

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

Window

None

Diffuser

None

Calibration Uncertainty (%)(k=2)

±2

Power Linearity (%)

±1

Spectral Compensation Accuracy (%)

±1.5

Calibration Wavelength (nanometers)

10600

Cable Length (meters)

2.5

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