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Degradation mechanism of dark signal of CCD exposed to 3MeV and 10MeV proton
Author(s): Lin Wen; Yu-dong Li; Dong Zhou; Jie Feng; Qi Guo; Xing-yao Zhang; Xin Yu
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Paper Abstract

The radiation effects of protons will lead to degradation of dark signal of CCD. The degradation mechanism of dark signals of CCD are different due to the different proton energy. This paper investigated the radiation effects and annealing effects of CCD exposed to 3MeV and 10MeV proton. The test result shown that 3MeV proton irradiation induced CCD’s dark signal decreasing linearly following the proton fluence. The dark signal degradation induced by 10MeV was not linearly, due to the different defects introduced by proton with different energy. The results above indicates that the displacement damage behavior of defects introduced by 10MeV proton is more complex than 3MeV proton. There are more than two kinds of displacement damage defects dominating the increase of the dark signal. The results of this paper provided important reference for CCD’s proton radiation test method and evaluation technology.

Paper Details

Date Published: 5 March 2018
PDF: 6 pages
Proc. SPIE 10710, Young Scientists Forum 2017, 107100A (5 March 2018); doi: 10.1117/12.2315065
Show Author Affiliations
Lin Wen, Xinjiang Technical Institute of Physics and Chemistry (China)
Yu-dong Li, Xinjiang Technical Institute of Physics and Chemistry (China)
Dong Zhou, Xinjiang Technical Institute of Physics and Chemistry (China)
Jie Feng, Xinjiang Technical Institute of Physics and Chemistry (China)
Qi Guo, Xinjiang Technical Institute of Physics and Chemistry (China)
Xing-yao Zhang, Xinjiang Technical Institute of Physics and Chemistry (China)
Xin Yu, Xinjiang Technical Institute of Physics and Chemistry (China)


Published in SPIE Proceedings Vol. 10710:
Young Scientists Forum 2017
Songlin Zhuang; Junhao Chu; Jian-Wei Pan, Editor(s)

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