Athermalization of star tracker system

被引：0
|
作者：
Liu, Jian [1 ]
Hao, Yun-Cai [2 ]
Chang, Jun [1 ]
Wang, Yong-Tian [1 ]
机构：
[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
来源：
Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology | 2010年 / 30卷 / 02期
关键词：
Optical design - Stars - Star trackers;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
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°C~30°C. 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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页码：223 / 225
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