Energy detectors
Absorption curves
Absorption curves for energy detectors
- 2024
- English
TP5-BL
Temperature-controlled pyroelectric detector for laser power measurement from nW to 0.5 mW.
Product family 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
Compatible stand
Compatible displays & PC interfaces
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STEP-Controller
Power supply and temperature control for TP series detectors.
Measurement capabilities
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Maximum average power (continuous)
500 μW -
Noise equivalent power1
5 nW -
Spectral range2
0.25 - 15 μm -
Typical rise time
0.2 s -
Power calibration uncertainty
±2.5 % -
Chopper frequency3
10 Hz, 50% duty cycle -
Temperature stability
± 0.05°C -
Voltage response stability
± 0.01% -
- 1. With STEP-Controller and scope. Noise is < 11 nW RMS with STEP-controller and Lock-In.
- 2. NIST-traceable calibration at 632.8 nm.
- 3. SDC-500 digital optical chopper sold separately
Damage thresholds
-
Maximum average power density
50 mW/cm²
Physical characteristics
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Aperture diameter
5 mm -
Absorber
BL -
Dimensions
50.8Ø X 48.3D mm -
Weight
0.227 kg
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STAND-D-233
Stand with 2 x 3in base, 3in cylinder, delrin post, ¼-20 & 8-32.
PEL-#
Pelican carrying case. Various sizes available. Contact us to order.
SDC-500
Digital optical chopper.
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There is no user manual available for this product.
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There is no document to download for this product. Contact us for technical details.
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.
Customers enjoy:
- Can be used with broadband light sources
- Wide dynamic range
- Very low noise
Compatible products you may need
STAND-D-233
Stand with 2 x 3in base, 3in cylinder, delrin post, ¼-20 & 8-32.
STEP-Controller
Display: None
Number of channels: 1
Output type: Analog
Measurement type: Average power
PEL-#
Pelican carrying case. Various sizes available. Contact us to order.
SDC-500
Digital optical chopper.
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