Design of online damage images detection system for large-aperture mirrors of high power laser facility based on wavefront coding technology

Wang Fang; Liu Qinxiao; Hu Dongxia; Liu Hongjie; Zheng Tianran

doi:https://doi.org/10.1016/j.net.2021.03.015

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자료유형: 학술저널

저자정보: Wang Fang (Sichuan University) Liu Qinxiao (Chongqing University of Technology) Hu Dongxia (China Academy of Engineering Physics) Liu Hongjie (China Academy of Engineering Physics) Zheng Tianran (China Academy of Engineering Physics)

저널정보: 한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제53권 제9호

발행연도: 2021.9

수록면: 2,899 - 2,908 (10page)

DOI: https://doi.org/10.1016/j.net.2021.03.015

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The laser transport system of the high power laser facility is mainly composed of large-aperture lasertransport mirrors (TMs). Obtaining the high-resolution online damage images during the operation,which is of great significance for operating safely of the mirrors and the facility. Based on wavefrontcoding, pan-tilt scanning and image stitching technologies, an online laser-damage images detectionsystem is designed, and it can achieve high-precision detection of surface characteristics of largeaperturelaser transport mirrors. The preliminary simulation proves that the system can solve thedepth of field matching problem caused by pan-tilt tilt imaging and achieve higher resolution.

#Online damage detection #Wavefront coding #Large-aperture laser transport mirrors #High power laser facility

참고문헌 (4)

참고문헌 신청

Wanguo Zheng / 2013 / Development of laser technology in research center of laser fusion / High Power Laser and Particle beam 25(12):3082~3090

Liu Xu / 2008 / Error analysis of sub-aperture synthesis for detecting surface defects of optical components / J. Optoelectron. -Laser 19(8):1088~1093

Tingyu Zhao / 2006 / Research of the extension of the depth of focus based on hybrid optical digital wavefront coding technique[J](in Chinese) / Optical Instruments 28(6):43~48

Qinxiao Liu / 2009 / Iteration algorithm for color image restoration of wavefront coding system with cubic phase mask[J] / Acta Opt. Sin 29(10):2738~2743

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