Optical design of an off-axis telescope: large aperture, small f/number, wide FOV

Details Optical design of an off-axis telescope: large aperture, small f/number, wide FOV Optical design of an off-axis telescope: large aperture, small f/number, wide FOV

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008spie.7100e..61y&link_type=abstract

Optical Design and Engineering III. Edited by Mazuray, Laurent; Wartmann, Rolf; Wood, Andrew; Tissot, Jean-Luc; Raynor, Jeffrey

Computer Science

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Scientific paper

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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