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Coherent PS19 Low Power Sensor

Updated:2025-03-13

Brand: Coherent
Model: PS19
Description: This PS19 sensor is a thermally stabilized, amplified thermopile power sensor intended for measuring low power lasers down into the 100 μW range, making it ideal for measuring laser diodes, HeNe and i
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Product Details

Coherent PS19 Low Power Sensor Description：

Datasheet

This PS19 sensor is a thermally stabilized, amplified thermopile power sensor intended for measuring low power lasers down into the 100 μW range, making it ideal for measuring laser diodes, HeNe and ion lasers, and other low power laser sources.

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 1174261) is available.

For enhanced thermal stability, the PS19Q (PN 1098341) includes a quartz window to more effectively eliminate thermal background radiation. Note that the window limits the spectral range to 0.3 to 2.1 μm.

Low power thermopile for measuring pulsed & CW lasers between 100 μW and 1W.

Key Features:

100 μW to 1W range

19 mm diameter active area

Spectrally flat broadband coating

0.19 to 11 μm spectral range

Convective air-cooled

ISO 17025 accredited

Specifications

Cable Type

PM DB-25

Cooling Type

Air

Power Range

100 μW to 1W

Active Area Diameter

19 mm

Detector Coating

Black

Noise Equivalent Power (milliwatts)

0.005

Maximum Intermittent Power (watts)(<5 minutes)

Long-Pulse Joules Range (joules)

.001 to 1

Wavelength Range (micrometers)

0.3 - 11

Maximum Power Density (kilowatts per square centimeter)

0.5

Maximum Energy Density (millijoules per square centimeter)

50, 10 ns, 1064 nm

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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