Design and test of a high performance off-axis TMA telescope

Bin Fan; Wei-jun Cai; Ying Huang

doi:10.1117/12.2309158

20 November 2017 Design and test of a high performance off-axis TMA telescope

Bin Fan, Wei-jun Cai, Ying Huang

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Proceedings Volume 10564, International Conference on Space Optics — ICSO 2012; 1056417 (2017) https://doi.org/10.1117/12.2309158
Event: International Conference on Space Optics 2012, 2012, Ajaccio, Corsica, France

Abstract

A new complete Optical Demonstration Model (ODM) of high performance off-axis Three Mirror Anastigmatic (TMA) telescope has been successfully developed in BISME. This 1.75-m focal length, 1/9 relative aperture, 6.2°×1.0°field of view visible telescope, which uses the TDICCD detectors of 7μm pixel size, can provide 2.0-m ground sampling distance and 51-km swath from an altitude of 500 km. With some significant efforts, the main goals of the ODM have been reached: a compact lightweight design while realizing high performance and high stability. The optical system and key technologies have been applied in the multispectral camera of ZY-3 Satellite (the first high resolution stereo mapping satellite of China), which was successfully launched on January 9^th, 2012. The main technology of ODM was described. The test results and applications were outlined.

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Bin Fan, Wei-jun Cai, and Ying Huang "Design and test of a high performance off-axis TMA telescope", Proc. SPIE 10564, International Conference on Space Optics — ICSO 2012, 1056417 (20 November 2017); https://doi.org/10.1117/12.2309158

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