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Design of optical system for sun sensor with birefringence in uniaxial crystal
Li, Yanli1; Gao, Dong1; Pan, Deng2
作者部门微波遥感部
会议录名称Advances in the Astronautical Sciences
2018
卷号165
页码2269-2276
语种英语
ISSN号0065-3438
ISBN号9780877036531
摘要In this paper, the birefringence sun sensor which based on birefringence of uniaxial crystal is proposed for the first time. There are two exit rays when the sunlight passes through the birefringence sun sensor. By calculating the coordinates of two exit rays on the APS surface, not only the pitch and yaw information but also roll information of the sun sensor relative to the sun are obtained. The designed optical system is composed of an APS CMOS image sensor, a pinhole imaging system and calcite. On the basis of Huygens' theory, a digital sun sensor imaging model combining pinhole imaging with uniaxial crystal was constructed. Based on the birefringence theory of uniaxial crystal, an optical system simulation model was established on computer. The parameters of aperture, uniaxial crystal size and spacing between optical axis and uniaxial crystal were designed, and the numerical simulation was carried out. The results indicate that the uniaxial crystal sun sensor with birefringence can realize the threedimensional measurement of the attitude, and has the characteristics of high precision and large field of view. © 2018 KASHYAP.
会议名称4th IAA Conference on Dynamics and Control of Space Systems, DYCOSS 2018
会议日期May 21, 2018 - May 23, 2018
会议地点Changsha, China
收录类别EI
文献类型会议论文
条目标识符http://ir.nssc.ac.cn/handle/122/6684
专题微波遥感部
通讯作者Li, Yanli
作者单位1.National Space Science Center, Chinese Academy of Science, Beijing, China;
2.University of Chinese Academy of Science, Beijing, China
推荐引用方式
GB/T 7714
Li, Yanli,Gao, Dong,Pan, Deng. Design of optical system for sun sensor with birefringence in uniaxial crystal[C],2018:2269-2276.
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