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5 November 2020 The athermalization design of an airborne all-day star sensor optical system
Canglong Zhou, Hu Wang, Yaoke Xue, Yang Shen, Yue Pan
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Proceedings Volume 11570, AOPC 2020: Telescopes, Space Optics, and Instrumentation; 115700V (2020) https://doi.org/10.1117/12.2580288
Event: Applied Optics and Photonics China (AOPC 2020), 2020, Beijing, China
Abstract
With the continuous development of navigation technology, celestial navigation system has gradually become the essential of celestial navigation system with its advantages of autonomy is strong, good concealment and high precision. The key component of the astronomical navigation system is the all-day star sensor. With the improvement of navigation accuracy, higher requirements have been put forward for the design of all-day star sensor, which is required to be able to work normally within 24 hours. The temperature range of the star sensor working on the airborne platform is very wide, and the temperature has a great impact on the imaging performance of the star sensor, thus affecting the positioning accuracy of navigation. Therefore, it is of great practical significance to ensure that its optical performance does not change within such a wide range of temperature, so as to significantly improve its navigation and positioning accuracy.
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Canglong Zhou, Hu Wang, Yaoke Xue, Yang Shen, and Yue Pan "The athermalization design of an airborne all-day star sensor optical system", Proc. SPIE 11570, AOPC 2020: Telescopes, Space Optics, and Instrumentation, 115700V (5 November 2020); https://doi.org/10.1117/12.2580288
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KEYWORDS
Star sensors
Temperature metrology
Imaging systems
Geometrical optics
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