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Catadioptric optical system design of 15-magnitude star sensor with large entrance pupil diameter
Bai, Yang1; Li, Jianlin1,2; Zha, Rongwei1; Wang, Ying1; Lei, Guangzhi2
作者部门空间光学技术研究室
2020-10-01
发表期刊Sensors (Switzerland)
ISSN14248220
卷号20期号:19页码:1-14
产权排序2
摘要

The optical system is one of the core components for star sensors, whose imaging quality directly influences the performance of star sensors for star detection, thereby determining the attitude control accuracy of spacecrafts. Here, we report a new type of optical system with a catadioptric structure and a large entrance pupil diameter for a 15-magnitude star sensor. It consists of an improved Cassegrain system (R-C system), an aperture correction spherical lens group and a field of view correction spherical lens group. By embedding the secondary mirror of the R-C system into the output surface of the negative spherical lens of the aperture correction spherical lens group, the blocking of incident light is eliminated from the secondary mirror holder. After the structure optimization, the catadioptric optical system (COS) had a spectral range of 450 nm950 nm, an entrance pupil diameter of 250 mm, a half-diagonal field of view of 1.4 and a focal length of 390 mm. By using theoretical calculations and experimental measurements, it was verified that the COS, with the ability to correct astigmatism, lateral color and distortion, can fulfill the detection of 15-magnitude dark stars. © 2020 by the authors. Licensee MDPI, Basel, Switzerland.

关键词star sensor catadioptric optical system COS large entrance pupil diameter di use spot 15-magnitude
DOI10.3390/s20195501
收录类别SCI ; EI
语种英语
WOS记录号WOS:000587250900001
出版者MDPI AG
EI入藏号20204109323818
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/93732
专题空间光学技术研究室
通讯作者Lei, Guangzhi
作者单位1.Institute of Photonics and Photon-Technology, National Key Laboratory of Photoelectric Technology and Functional Materials (Culture Base), Northwest University, Xian; 710127, China;
2.Space Optical Technology Research Department, Xian Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xian; 710119, China
推荐引用方式
GB/T 7714
Bai, Yang,Li, Jianlin,Zha, Rongwei,et al. Catadioptric optical system design of 15-magnitude star sensor with large entrance pupil diameter[J]. Sensors (Switzerland),2020,20(19):1-14.
APA Bai, Yang,Li, Jianlin,Zha, Rongwei,Wang, Ying,&Lei, Guangzhi.(2020).Catadioptric optical system design of 15-magnitude star sensor with large entrance pupil diameter.Sensors (Switzerland),20(19),1-14.
MLA Bai, Yang,et al."Catadioptric optical system design of 15-magnitude star sensor with large entrance pupil diameter".Sensors (Switzerland) 20.19(2020):1-14.
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