Photon counting detector package based on InGaAs/InP avalanche structure for laser ranging applications
Open Access
- 1 May 2020
- journal article
- research article
- Published by AIP Publishing in Review of Scientific Instruments
- Vol. 91 (5), 056102
- https://doi.org/10.1063/5.0006516
Abstract
Satellite Laser Ranging (SLR) is a well established space geodetic technique measuring the satellite distance, which implements time of flight. Up to now, second harmonic Nd:YAG laser pulses have been frequently used for range measurement, since the silicon detector technology allows us to detect single photon echoes reflected from satellites with required high detection probability, millimeter precision, and an acceptable dark count rate. On the other hand, the fundamental wavelength (1064 nm) provides a significantly better overall energy budget, but there were no suitable detectors available. More recently, the use of InGaAs/InP became feasible for developing single photon avalanche diodes, which exhibit high photon detection probability and acceptable timing resolution. Both these properties are important and allow the SLR measurement at the fundamental wavelength. In this Note, we report on construction and testing of a single photon detector package based on the InGaAs/InP diode optimized for the SLR measurement.Funding Information
- Ministerstvo Školství, Mládeže a Tělovýchovy (RVO68407700, SGS19/191/OHK4/3T/14)
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