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An assembly method for large-aperture laser beam reduction system
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Paper 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.

Paper Details

Date Published: 18 December 2019
PDF: 5 pages
Proc. SPIE 11338, AOPC 2019: Optical Sensing and Imaging Technology, 113381M (18 December 2019); doi: 10.1117/12.2544149
Show Author Affiliations
Xiang ke Zheng, Xi'an Institute of Optics and Precision Mechanics (China)
Shi fa Kang, Xi'an Institute of Optics and Precision Mechanics (China)
Xi hong Fu, Xi'an Institute of Optics and Precision Mechanics (China)
Hua Li, Xi'an Institute of Optics and Precision Mechanics (China)
Ya xuan Duan, Xi'an Institute of Optics and Precision Mechanics (China)
Hong guang Li, Xi'an Institute of Optics and Precision Mechanics (China)


Published in SPIE Proceedings Vol. 11338:
AOPC 2019: Optical Sensing and Imaging Technology
John E. Greivenkamp; Jun Tanida; Yadong Jiang; HaiMei Gong; Jin Lu; Dong Liu, Editor(s)

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