The influence of image sensor irradiation damage on the tracking and pointing accuracy of optical communication system

Xiaoliang Li; Lei Luo; Pengwei Li; Qingkui Yu

doi:10.1117/12.2311643

5 March 2018 The influence of image sensor irradiation damage on the tracking and pointing accuracy of optical communication system

Xiaoliang Li, Lei Luo, Pengwei Li, Qingkui Yu

Author Affiliations +

Proceedings Volume 10710, Young Scientists Forum 2017; 1071006 (2018) https://doi.org/10.1117/12.2311643
Event: Young Scientists Forum 2017, 2017, Shanghai, China

Abstract

The image sensor in satellite optical communication system may generate noise due to space irradiation damage, leading to deviation for the determination of the light spot centroid. Based on the irradiation test data of CMOS devices, simulated defect spots in different sizes have been used for calculating the centroid deviation value by grey-level centroid algorithm. The impact on tracking & pointing accuracy of the system has been analyzed. The results show that both the amount and the position of irradiation-induced defect pixels contribute to spot centroid deviation. And the larger spot has less deviation. At last, considering the space radiation damage, suggestions are made for the constraints of spot size selection.

Citation Download Citation

Xiaoliang Li, Lei Luo, Pengwei Li, and Qingkui Yu "The influence of image sensor irradiation damage on the tracking and pointing accuracy of optical communication system", Proc. SPIE 10710, Young Scientists Forum 2017, 1071006 (5 March 2018); https://doi.org/10.1117/12.2311643

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