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A study on analysis and control for eccentric error of common path optical system
Author(s): Xiaozhou Zuo; Yan Zhang; Haicheng Yang; Gangyang Hui; Xin Liu; Zhangli Wang; Feng Jiang; Hongjun Zhao; Weiguang Liu; Xiaobin Zhou
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Paper Abstract

An centering alignment technique of collimation lens group based on the optical axis of primary mirror is introduced in this paper, so as to meet up with the deviation requirements in the assembly of high-quality Common Path Optical system. A non-aberration system is designed in the first place in order to analyse the conjunction between the Wave-front aberration and eccentric error,then construct the simulation model of cassegrain system and collimation lens group based on test result,formed the eccentric error mapping relationship between the two variables. The collimation lens group is then assembied and aligned on the basis of the axis of the aspheric primary mirror. The technique has been verified through both simulative tests and actual measurements, and the results suggest the eccentric error is less than 0.04mm, and the Common Path Optical system Wave-front aberration RMS less than 0.03um.

Paper Details

Date Published: 11 January 2019
PDF: 9 pages
Proc. SPIE 10837, 9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 1083718 (11 January 2019); doi: 10.1117/12.2504848
Show Author Affiliations
Xiaozhou Zuo, Xi'an Institute of Applied Optics (China)
Yan Zhang, Xi'an Institute of Applied Optics (China)
Haicheng Yang, Xi'an Institute of Applied Optics (China)
Gangyang Hui, Xi'an Institute of Applied Optics (China)
Xin Liu, Xi'an Institute of Applied Optics (China)
Zhangli Wang, Xi'an Institute of Applied Optics (China)
Feng Jiang, Xi'an Institute of Applied Optics (China)
Hongjun Zhao, Xi'an Institute of Applied Optics (China)
Weiguang Liu, Xi'an Institute of Applied Optics (China)
Xiaobin Zhou, Xi'an Institute of Applied Optics (China)


Published in SPIE Proceedings Vol. 10837:
9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes
Xiaoliang Ma; Bin Fan; Yongjian Wan; Adrian Russell; Xiangang Luo, Editor(s)

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