Paper
7 November 2018 Study on the echo of the optical imaging system under different extent of damage to CCD
Mingxin Zhang, Jinsong Nie, Yuntao Xie, Ke Sun, Xianan Dou
Author Affiliations +
Proceedings Volume 10832, Fifth Conference on Frontiers in Optical Imaging Technology and Applications; 1083216 (2018) https://doi.org/10.1117/12.2511104
Event: Fifth Conference on Frontiers in Optical Imaging Technology and Applications, 2018, Changchun, China
Abstract
In this paper, we establish the cat's eye echoes model of the optical imaging system under different damage conditions and analyze the influence of the damage to CCD layers on the cat's eye echo power. Based on this, the corresponding relationship between the echo power of the cat's eye and the damage degree of the CCD was established and verified by experiments. The results show that the field intensity is the strongest in the center of cat's eye echo in the imaging optics system, and the power of the echo increases dramatically and then decrease steeply and decrease slowly. The damaged status of CCD can be judged according to this rule. This study has certain reference value for the actual situation that the degree of the damage to CCD is required to be monitored in real time in the far field.
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Mingxin Zhang, Jinsong Nie, Yuntao Xie, Ke Sun, and Xianan Dou "Study on the echo of the optical imaging system under different extent of damage to CCD", Proc. SPIE 10832, Fifth Conference on Frontiers in Optical Imaging Technology and Applications, 1083216 (7 November 2018); https://doi.org/10.1117/12.2511104
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KEYWORDS
Charge-coupled devices

Silicon

Aluminum

Microlens

Transmittance

Imaging systems

Laser induced damage

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