Imaging performance degradation of optical bandpass filter damaged by scanning laser

Jianmin Zhang; Lixiong Wu; Guobin Feng; Yang Zhu; Xinwei Lin; Jun Zhao

doi:10.1117/12.2268306

12 May 2017 Imaging performance degradation of optical bandpass filter damaged by scanning laser

Jianmin Zhang, Lixiong Wu, Guobin Feng, Yang Zhu, Xinwei Lin, Jun Zhao

Proceedings Volume 10173, Fourth International Symposium on Laser Interaction with Matter; 101730N (2017) https://doi.org/10.1117/12.2268306
Event: 4th International Symposium on Laser Interaction with Matter, 2016, Chengdu, China

Abstract

Optical components in large aperture optical imaging system are susceptive to intense laser radiation. Optical band pass filter for spectra selection and nonlinear filter for intense laser blocking, are usually focal or near focal elements in imaging system, will more likely to be permanently damaged by high intense unwanted laser irradiating. In order to relate the optical imaging performance degradation to laser irradiating parameters, characteristics of the damage sites and so on, a test facility consisting of scaled electro-optical imaging system and standard imager evaluation system was constructed, and the linear spread function, modulation transfer function, signal transfer function, and noise power spectrum were obtained. Experimental imaging performance degradation law of damaged fused silica and colored glass filters were analyzed. Furthermore, some brief discussions on the imaging performance degradation mechanisms are also presented.

Citation Download Citation

Jianmin Zhang, Lixiong Wu, Guobin Feng, Yang Zhu, Xinwei Lin, and Jun Zhao "Imaging performance degradation of optical bandpass filter damaged by scanning laser", Proc. SPIE 10173, Fourth International Symposium on Laser Interaction with Matter, 101730N (12 May 2017); https://doi.org/10.1117/12.2268306

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