Research on single-photon imaging detection system and algorithms based on MCP/sCMOS

被引：0
|
作者：
Zhou Y. [1 ]
Lou X. [1 ]
Du Z. [1 ]
Mu T. [1 ]
机构：
[1] School of Instrument Science and Opto-Electronics Engineering, Beijing Information Science and Technology University, Beijing
来源：
Yi Qi Yi Biao Xue Bao/Chinese Journal of Scientific Instrument | 2023年 / 44卷 / 06期
关键词：
image enhancement; single photon counting; target extraction;
D O I：
10.19650/j.cnki.cjsi.J2311275
中图分类号：
学科分类号：
摘要：
For single photon counting imaging technology to detect weak target signal, low signal-to-noise ratio, and unclear target area of the obtained image, serious background noise and other problems, a single-photon detection system based on solar-blind ultraviolet is designed by using 270±5 nm solar-bind UV filter, microchannel plate image intensifiers (MCP) with irnage gain >105 and scientific-grade complementary metal oxide semiconductors (sCMOS) with a mazimum resolution of 1 504×1 504. The system uses time sequence control to obtain single-photon spot images. To highlight the target area in the image, the improved morphological top-hat transformation algorithm is used to enhance the spot target area. Then, the image is binarized by the triangular threshold method, and the coordinates of the target area are extracted by using the connected domain. Finally, the area extremum algorithm is used to count single photons in the target area of the original image. The article conducts a series of imaging with a single exposure time of 80~100 ns and data processing experiments on ultraviolet light sources. The results show the feasibility of the designed single-photon imaging detection system and photon counting algorithm. © 2023 Science Press. All rights reserved.
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页码：244 / 251
页数：7
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