An assembly method for large-aperture laser beam reduction system

Xiang ke Zheng; Shi fa Kang; Xi hong Fu; Hua Li; Ya xuan Duan; Hong guang Li

doi:10.1117/12.2544149

18 December 2019 An assembly method for large-aperture laser beam reduction system

Xiang ke Zheng, Shi fa Kang, Xi hong Fu, Hua Li, Ya xuan Duan, Hong guang Li

Proceedings Volume 11338, AOPC 2019: Optical Sensing and Imaging Technology; 113381M (2019) https://doi.org/10.1117/12.2544149
Event: Applied Optics and Photonics China (AOPC2019), 2019, Beijing, China

Abstract

The paper presents a method based on the principle of auto-collimating to assemble the large-aperture laser beam reduction system. The method solves the problem of using fiber laser, plane mirror and Hartman wavefront sensor to realize the precision assembling of the large-aperture laser beam reduction system in the absence of large-diameter standard light source. Using the method, The large-aperture laser beam reduction system is successfully assembled in the big science project. And the technical index of the system is tested and the uncertainty is analyzed. The near field modulation degree is 1.03, the contrast is 0.025, the wavefront distortion is 0.476λ(λ=1053nm), and the system meets the requirements of the engineering index.

Citation Download Citation

Xiang ke Zheng, Shi fa Kang, Xi hong Fu, Hua Li, Ya xuan Duan, and Hong guang Li "An assembly method for large-aperture laser beam reduction system", Proc. SPIE 11338, AOPC 2019: Optical Sensing and Imaging Technology, 113381M (18 December 2019); https://doi.org/10.1117/12.2544149

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