Photon counting three-dimensional imaging with a position sensitive micro-channel plate detector

Yifan Liu; Lizhi Sheng; Yongan Liu; Baosheng Zhao

doi:10.1117/12.2624010

27 March 2022 Photon counting three-dimensional imaging with a position sensitive micro-channel plate detector

Yifan Liu, Lizhi Sheng, Yongan Liu, Baosheng Zhao

Proceedings Volume 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications; 1216948 (2022) https://doi.org/10.1117/12.2624010
Event: Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 2021, Kunming, China

Abstract

We demonstrate a photon counting three-dimensional radar system based on a micro-channel plate (MCP) detector with a position-sensitive anode. The system is mainly composed of a laser device, a photon counting imaging detector and readout electronics. The probe laser is divided into two channels. One is used to trigger the start signal, and another irradiates the sample. The reflected light enters into the MCP, and it generates the trigger stop signal. The flight time of the laser pulse is obtained through a constant fraction discriminator(CFD) and a time-to-digital converter (TDC). The time resolution can reach the nanosecond level. The distance information of targets at different distances was measured using this system. The results show that the depth resolution of the system is centimeter level. The performance of the system is demonstrated by imaging of a resolution target and a space object.

Citation Download Citation

Yifan Liu, Lizhi Sheng, Yongan Liu, and Baosheng Zhao "Photon counting three-dimensional imaging with a position sensitive micro-channel plate detector", Proc. SPIE 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 1216948 (27 March 2022); https://doi.org/10.1117/12.2624010

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