Coincidence Photon-Counting Laser Ranging for Moving Targets With High Signal-to-Noise Ratio

被引：8
作者：
Bao, Zeyu [1 ]
Li, Zhaohui [1 ]
Shi, Yafan [1 ]
Wu, E. [1 ]
Wu, Guang [1 ]
Zeng, Heping [1 ]
机构：
[1] E China Normal Univ, State Key Lab Precis Spect, Shanghai 200062, Peoples R China
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2014年 / 26卷 / 15期
关键词：
Coincidence photon counting; laser ranging; single photon detector; TIME-OF-FLIGHT; 1550; NM; KILOMETER-RANGE; SYSTEM; OPTIMIZATION;
D O I：
10.1109/LPT.2014.2327118
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We demonstrated a coincidence photon-counting laser ranging technique that allows for single-shot measurements on fast-moving objects under strong background light illumination. Coincidences registered by two single-photon detectors within a short time window of 2.4 ns were recorded as the distance information, improving the signal-to-noise ratio to 8.54 dB when the surrounding noise photons caused 5 x 10(6) counts/s while the signal pulses contained 10 photons per pulse. Single-shot ranging of both moving and fast position-changing targets was demonstrated with high signal-to-noise contrast at few-photon level.
引用
收藏
页码：1495 / 1498
页数：4
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