The optical black reference technology based pseudo-excessive saturation effect of CCD induced by laser

Zhen Zhang; Deyan Cheng; Yubin Shi; Jianmin Zhang; Guobin Feng

doi:10.1117/12.2268071

12 May 2017 The optical black reference technology based pseudo-excessive saturation effect of CCD induced by laser

Zhen Zhang, Deyan Cheng, Yubin Shi, Jianmin Zhang, Guobin Feng

Proceedings Volume 10173, Fourth International Symposium on Laser Interaction with Matter; 101730H (2017) https://doi.org/10.1117/12.2268071
Event: 4th International Symposium on Laser Interaction with Matter, 2016, Chengdu, China

Abstract

Besides the excessive saturation effect, a new mechanism of temporary black screen of CCD camera induced by laser is found. The final output of CCD camera is the difference between the signals in effective pixels and optical black pixels. As the effective pixels of CCD camera are being irradiated by intense laser, many carriers induced by photo overflow from effective pixels into the optical black pixels. As a result, both the effective and optical black pixels will reach saturation, which makes the final output of CCD become zero. This effect has the same black screen phenomenon as the excessive saturation, and is named as pseudo-excessive saturation effect in this article.

Citation Download Citation

Zhen Zhang, Deyan Cheng, Yubin Shi, Jianmin Zhang, and Guobin Feng "The optical black reference technology based pseudo-excessive saturation effect of CCD induced by laser", Proc. SPIE 10173, Fourth International Symposium on Laser Interaction with Matter, 101730H (12 May 2017); https://doi.org/10.1117/12.2268071

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