Updated:2025-01-21
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Gentec-EO PE5B-Ge-D0 Photodiode Detector for laser energy measurement up to 2.4 nJ.
Measure in the NIR range with a germanium absorber
Germanium photodiode-based energy detector for very low energy measurement that offers a fast response for the NIR wavelengths (800-1650 nm).
Wide dynamic range
Very low noise
Not sensitive to visible light
Less sensitive to vibrations than pyroelectric detectors
Optional INTEGRA (USB or RS-232) output
When you choose the INTEGRA output option you get an all-in-one measurement instrument that combines both the detector and the meter in one convenient product. Plug the detector in your PC, install our free software and start measuring.
The most cost-efficient solution
Same measurement performance as our other solutions
No compromise on interface functions and features
Compact solution for OEM applications and field servicing
Save money on recalibration with an all-in-one instrument
Key Features
Very low noise level
Take measurements with a noise level as low as 8 fJ (model PE3B-Si only) with the M-LINK, MAESTRO and S-LINK monitors.
3 sensors available
PE-B-SI family: 3 and 10 mm Ø silicon sensors for 0.21 to 1.08 µm
PE5B-GE: 5 mm Ø, germanium sensor for 0.8 to 1.65 µm
PE3B-IN: 3 mm Ø, InGaAs sensor for 0.9 to 1.7 µm
Smart interface
Containing all the calibration data
Specifications
Measurement capabilities | |
Spectral range | 800 - 1650 nm |
Typical rise time | 25 µs |
Maximum repetition frequency | 1000 Hz |
Maximum measurable energy | 2.4 nJ |
Noise equivalent energy | 1 pJ |
Maximum pulse width | 10 μs |
Energy calibration uncertainty |
±5.0 % (800 - 1049 nm) ±3.5 % (1050 - 1559 nm) ±7.0 % (1560 - 1629 nm) ±10 % (1630 - 1650 nm) |
Damage thresholds | |
Maximum average power density | 320 mW/cm² |
Maximum energy density | 5 µJ/cm² |
Maximum power | 7.1 μW |
Physical characteristics | |
Aperture diameter | 5 mm |
Absorber | Ge |
Dimensions | 38.1Ø x 27.4D mm |
Weight | 0.09 kg |
Distance to sensor face | 10.5 mm |
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