27 September 2008 Optical design of an off-axis telescope: large aperture, small f/number, wide FOV
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Abstract
TMA (Three Mirrors Anastigmatic) can simplify the configuration of telescope and lighten the weight, so it is very popular to the design of space-based optical system. According to this concept, an off-axis unobstructed TMA is calculated. Based on initial configuration parameters, automatic optimization is executed in ZEMAX program, and a new telescope is obtained with parameters as follow: aperture is 2000mm, f/number is 2.25, FOV is 5°, angular resolution is better than 7 μrad and image quality meets limited performances.
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Qinghua Yu, Qinghua Yu, Hui Liu, Hui Liu, Shengli Sun, Shengli Sun, } "Optical design of an off-axis telescope: large aperture, small f/number, wide FOV", Proc. SPIE 7100, Optical Design and Engineering III, 71001X (27 September 2008); doi: 10.1117/12.793604; https://doi.org/10.1117/12.793604
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