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Optical design of off-axis three-mirror system with long focal length and wide field of view
Wang, Lei1,2; Fan, Xuewu1; Ni, Dongwei1,2; Wang, Yuming1,2
2019
会议名称9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, AOMATT 2018
会议录名称9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes
卷号10837
会议日期2018-06-26
会议地点Chengdu, China
出版者SPIE
产权排序1
摘要

High resolution, wild field of view (FOV) and high image quality are required in space and airborne remote sensing and space photography. However, the refraction system must use special materials or complex structures to eliminate the secondary spectrum, the two-mirror system possesses limited degrees of freedom in correcting aberrations, and the coaxial system has serious central shielding problem in the case of wild FOV. According to geometry optical theory and primary aberration theory, an off-axis three-mirror (TMA)system with long focal length and wide FOV was designed based on the coaxial three-mirror systems. The spectral range is visible light range, the focal length is 5000mm, the FOV is 10°, and the relative aperture is 1:12. The primary mirror and the third mirror are aspheric surfaces while the second mirror is quadratic surface. In this system, the central shielding problem is solved and the modulation transform function (MTF) is more than 0.6 at Nyquist spatial frequency 50lp/mm which is close to the diffraction limitation. Moreover, the full field diffusion plaque is controlled into 5μm. In all, the analysis results show that the image quality and each specification of the off-axis three-mirror system satisfy the application requirements. © 2019 SPIE.

作者部门空间光学技术研究室
DOI10.1117/12.2504962
收录类别EI
ISBN号9781510623163
语种英语
ISSN号0277786X;1996756X
EI入藏号20190506432487
引用统计
文献类型会议论文
条目标识符http://ir.opt.ac.cn/handle/181661/31214
专题空间光学技术研究室
通讯作者Fan, Xuewu
作者单位1.Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China
推荐引用方式
GB/T 7714
Wang, Lei,Fan, Xuewu,Ni, Dongwei,et al. Optical design of off-axis three-mirror system with long focal length and wide field of view[C]:SPIE,2019.
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