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8 October 2015 Thermal design and flight validation for high precision camera
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Proceedings Volume 9678, AOPC 2015: Telescope and Space Optical Instrumentation; 967809 (2015)
Event: Applied Optics and Photonics China (AOPC2015), 2015, Beijing, China
High precision camera, designed for advanced optical system, with a wide field of vision, high resolution and fast response, has a wild range of applications. As the main payload for spacecraft, the optical remote sensor is mounted exposed to the space, which means it should have a reliable optical performance in harsh space environment during lifetime. Because of the special optical characteristic, imaging path should be accurate, and less thermal deformation for the optical parts is required in the working process, so the high precision camera has a high level requirement for temperature. High resolution space camera is generally required to own the capability of adapting to space thermal environments. The flexible satellite's change of rolling attitude affects the temperature distribution of the camera and makes a difference to optical performance. The thermal control design of space camera is presented, and analysis the temperature data in orbit to prove the thermal design correct. It is proved that the rolling attitude has more influence on outer parts and less influence on inner parts, and active thermal control can weaken the influence of rolling attitude.
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Henghui Meng, Lixia Sun, Chuanqiang Zhang, and Liyin Geng "Thermal design and flight validation for high precision camera", Proc. SPIE 9678, AOPC 2015: Telescope and Space Optical Instrumentation, 967809 (8 October 2015);


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