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5 November 2020 Position sensitive micro-channel plate based photon counting three-dimensional imaging for long space objects: simulation and characteristics analysis
Haomeng Yin, Hui Zhao, Yong'an Liu, Siyu Xia, Xuewu Fan, Lizhi Sheng
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Proceedings Volume 11567, AOPC 2020: Optical Sensing and Imaging Technology; 115672V (2020) https://doi.org/10.1117/12.2580007
Event: Applied Optics and Photonics China (AOPC 2020), 2020, Beijing, China
Abstract
Position sensitive micro-channel plate (MCP ) is a kind of high sensitivity detector with low noise, Combined with advanced time-correlated single photon imaging technique (TCSPC) could make a moderate aperture system be sensitive to only one single arriving photon. In this paper, a theoretical model of photon counting imaging with Position sensitive MCP was established and the factor of laser power affecting the detect possibility was analyzed. the three-dimensional point clouds data are generated using Monte Carlo simulation and the typical space target could be reconstructed three-dimensionally. Through the all-chain simulation model the comprehensive performance of the MCP based active three-dimensional imaging system could be analyzed from viewpoint of detection probability, ranging accuracy and signal to noise ratio etc. The application of the position sensitive MCP based active three-dimensional imaging system for long range space objects is verified in simulation condition. The results shows that only a single pulse energy of tens of mico-Joule is needed for the positive sensitive MCP based active three-dimensional imaging system to image the target at the hundreds of kilometers. the counting rate could reach 106 counts/s. And the ranging accuracy of this active three-dimensional imaging system for the objects at 300 kilometers could reach 0.1228meters by simulating with 50 mico-Joule single pulse power.
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Haomeng Yin, Hui Zhao, Yong'an Liu, Siyu Xia, Xuewu Fan, and Lizhi Sheng "Position sensitive micro-channel plate based photon counting three-dimensional imaging for long space objects: simulation and characteristics analysis", Proc. SPIE 11567, AOPC 2020: Optical Sensing and Imaging Technology, 115672V (5 November 2020); https://doi.org/10.1117/12.2580007
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KEYWORDS
Target detection
Signal to noise ratio
3D image processing
Imaging systems
Sensors
Laser energy
Microchannel plates
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