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Kvantovaya Elektronika, 2018, Volume 48, Number 11, Pages 1062–1066 (Mi qe16918)  

Laser applications and other topics in quantum electronics

Enhancing the signal-to-noise ratio for laser ranging by adjusting the photon equivalent threshold of a multi-pixel photon counter

Guoqing Zhang, X. Yan

School of Science, Xi'an Polytechnic University, China

Abstract: A photon equivalent (PE) threshold-adjusting regime for laser ranging is proposed based on a multi-pixel photon counter (MPPC), and the mechanism of PE threshold influence on the signal-to-noise ratio (SNR) is demonstrated and analysed. The unique PE threshold adjustability of an MPPC leads to interesting results for laser ranging. Experimental results show that the SNR of the laser ranging system is significantly improved by optimising the MPPC PE threshold, which is beneficial for detection and false alarm probabilities. Submillimeter laser ranging resolution is obtained with noncooperative targets placed several meters away. Nanosecond dead time single photon laser ranging without gating is obtained due to an MPPC with a small pixel area. Multiple target ranging is implemented with a single MPPC rather than an array.

Keywords: signal-to-noise ratio, multi-pixel photon counter, photon equivalent threshold.

Funding Agency Grant Number
National Natural Science Foundation of China 11405119
61405151
Shaanxi Province 2014 JQ8364


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English version:
Quantum Electronics, 2018, 48:11, 1062–1066

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Received: 09.01.2018

Citation: Guoqing Zhang, X. Yan, “Enhancing the signal-to-noise ratio for laser ranging by adjusting the photon equivalent threshold of a multi-pixel photon counter”, Kvantovaya Elektronika, 48:11 (2018), 1062–1066 [Quantum Electron., 48:11 (2018), 1062–1066]

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  • http://mi.mathnet.ru/eng/qe/v48/i11/p1062

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  • Квантовая электроника Quantum Electronics
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