| 无热化星敏感器光学系统设计 |
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| 引用本文： | 刘健,郝云彩,常军,王涌天.无热化星敏感器光学系统设计[J].北京理工大学学报,2010,30(2):223-226. |
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| 作者姓名： | 刘健 郝云彩 常军 王涌天 |
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| 作者单位： | 北京理工大学,光电学院,北京,100081;北京控制工程研究所,空间智能控制技术国家重点实验室,北京,100190 |
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| 基金项目： | 教育部长江学者和创新团队发展计划项目(IRT0606) |
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| 摘 要： | 依据热补偿理论,在基于热差互补原理的无热差光学系统材料选取方法的基础上进行了高精度星敏感器光学系统设计和无热化分析,系统工作波段0.5~0.8μm,F数为2,视场角为10°,温度范围-10℃~30℃,通过分析像面移动量、能量集中度曲线和各色传递函数曲线可以看出,光学系统在要求温度范围内性能稳定,基本可以实现无热化.
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| 关 键 词： | 光学设计 空间光学 无热化 星敏感器 |
| 收稿时间： | 2009/2/27 0:00:00 |
Athermalization of Star Tracker System |
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| LIU Jian,HAO Yun-cai,CHANG Jun and WANG Yong-tian.Athermalization of Star Tracker System[J].Journal of Beijing Institute of Technology(Natural Science Edition),2010,30(2):223-226. |
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| Authors: | LIU Jian HAO Yun-cai CHANG Jun and WANG Yong-tian |
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| Institution: | 1.School of Optoelectronics;Beijing Institute of Technology;Beijing 100081;China;2.National Laboratory of Space Intelligence Control;Beijing Institute of Control Technology;Beijing 100190;China |
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| Abstract: | Based on the compensation theory of thermal dispersion, an actual high-precision athermal star tracker system was designed and evaluated. Optical materials are selected according to the passive athermalizing principle. The system has the following parameters: waveband range 0.5～0.8μm, F number 2, field of view 10°,temperature range -10℃～30℃. The defocus, energy curves and modulation transfer function (MTF) of the lenses are given as examples. It is shown that the athermal optical system can work steadily with high optical quality in the required temperature range. |
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| Keywords: | optical design space optics athermalization star tracker |
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