Photon counting system with automated detection and selection of photodetector discrimination thresholds

S. M. Bobrovnikov; V. I. Zharkov; N. G. Zaitsev; A. I. Nadeev; D. A. Trifonov

doi:10.1117/12.2643743

7 December 2022 Photon counting system with automated detection and selection of photodetector discrimination thresholds

S. M. Bobrovnikov, V. I. Zharkov, N. G. Zaitsev, A. I. Nadeev, D. A. Trifonov

Author Affiliations +

Proceedings Volume 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1234123 (2022) https://doi.org/10.1117/12.2643743
Event: 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2022, Tomsk, Russia

Abstract

The paper considers a block diagram of a photodetection system based on a new version of the four-channel photon counter "PHCOUNT-4" used for precision lidar measurements of atmospheric temperature. The results of using the new capabilities of the analog part of the photon counting system, which makes it possible to automatically record the amplitude distribution of single-electron pulses of each of the photodetectors installed in the channels and determine the optimal discrimination threshold, are described. It is shown that setting the optimal discrimination thresholds makes it possible to achieve a small spread in the end-to-end quantum efficiency of each of the channels

Citation Download Citation

S. M. Bobrovnikov, V. I. Zharkov, N. G. Zaitsev, A. I. Nadeev, and D. A. Trifonov "Photon counting system with automated detection and selection of photodetector discrimination thresholds", Proc. SPIE 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1234123 (7 December 2022); https://doi.org/10.1117/12.2643743

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