Updated:2025-01-17
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Gentec-EO QE25LP-H-MB-QED-D0 Pyroelectric Detector for laser energy measurement up to 23 J.
The highest damage thresholds on the market with the QED absorber
Detectors with the QED attenuator are designed for lasers with very high energy density. Our proprietary QED attenuator diffuses the measured beam and absorbs it in a larger volume, making it almost indestructible.
The highest maximum energy density damage threshold
Very low risk of damaging the equipment with your laser
Perfect for pulsed beams with high energy density
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
Modular Concept
Increase the power capability of your detector: 2 different cooling modules
Low Noise Level
2 µJ for the MB coating
QED Attenuator Available
Measure up to 5X higher energies. Available with optional calibration, all wavelengths between 532 & 1064 nm, or single wavelength. Read more.
High Repetition Rate Options
QE25HR-MB: 1 000 Hz
QE25HR-MT: 10 000 Hz
Test Target Included
With the MB models
Smart Interface
Containing all the calibration data
Specifications
Measurement capabilities | |
Spectral range | 0.3 - 2.1 μm |
Typical rise time | 550 µs |
Repeatability | <0.5% |
Maximum repetition frequency | 300 Hz |
Maximum measurable energy | 23 J |
Noise equivalent energy | 8 μJ |
Maximum pulse width | 400 μs |
Energy calibration uncertainty | ±3 % |
Damage thresholds | |
Maximum average power density | 600 W/cm² |
Maximum energy density | 8 J/cm² |
Maximum power | 30 W |
Physical characteristics | |
Cooling | Convection (heatsink) |
Aperture width | 22 mm |
Aperture height | 22 mm |
Absorber | QED |
Dimensions | 53H x 55W x 58D mm |
Weight | 0.193 kg |
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