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18 December 2019 An assembly method for large-aperture laser beam reduction system
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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.
© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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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