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Gentec-EO TP9-BL Temperature-controlled Pyroelectric Detector

Updated:2025-01-15

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Product Details

Gentec-EO TP9-BL Temperature-controlled Pyroelectric Detector Description:

Datasheet(CN) Datasheet(EN)

Gentec-EO TP9-BL Temperature-controlled pyroelectric detector for laser power measurement from nW to 0.5 mW.

Measure low-power lasers at any wavelength with the BL absorber

The spectrally ultra-flat and broadband coating absorbs a very wide range of wavelengths. The very high absorptivity of our BL absorber guarantees a high sensitivity.

Can be used with broadband light sources

Wide dynamic range

Very low noise

Key Features

Spectrally flat response

These radiometers were developed for NIST, to be used with a broadband spectrometer to act as a spectral transfer standard when calibrating other detectors in the 0.25 to 15 μm range.

Temperature Controlled Power Measurement

Each head is composed of a low noise detector, thermistor, TE cooler and heatsink to compensate for any temperature change

The Ultimate Choice in Measurement Stability

Temperature control down to 0.05°C from 20 to 30°C gives a temperature coefficient <0.01 %, thus a voltage output stable to 0.01 %

2 Sizes Available

TP5-BL: 5 mm Ø pyroelectric sensor with organic black coating

TP9-BL: 9 mm Ø pyroelectric sensor with organic black coating

To be used with the STEP-Controller

Plug your TP sensor into the STEP-Controller for power supply and temperature control. You can then use the analog output with a scope or lock-in

Specifications

Measurement capabilities
Maximum average power (continuous) 500 μW
Noise equivalent power 5 nW
Spectral range 0.25 - 15 μm
Typical rise time 0.2 s
Power calibration uncertainty ±2.5 %
Chopper frequency 10 Hz, 50% duty cycle
Temperature stability ± 0.05°C
Voltage response stability ± 0.01%
Damage thresholds
Maximum average power density 50 mW/cm²
Physical characteristics
Aperture diameter 9 mm
Absorber BL
Dimensions 50.8Ø X 48.3D mm
Weight 0.227 kg

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