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4 April 2023 Design of sub-second dynamic star simulator optical system
Yongdan Jia, Weizhi Wang, Jian Sun
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Proceedings Volume 12617, Ninth Symposium on Novel Photoelectronic Detection Technology and Applications; 1261716 (2023) https://doi.org/10.1117/12.2664251
Event: 9th Symposium on Novel Photoelectronic Detection Technology and Applications (NDTA 2022), 2022, Hefei, China
Abstract
According to the application requirements of the sub-second dynamic star simulator optical system, the main parameters of the star simulator optical system are studied and the basis for determining the parameters is given. Through the analysis of the optical system configuration characteristics, the transmission optical system was selected. Through the analysis of practical application, the design route of the object quasi-telecentric optical system with long focal length, small distortion and small centroid position deviation is determined. Based on the key points of design, the design idea of dynamic star simulator optical system is given. An example of the design was given, the technical indicators: the optical system focal length is 600mm, exit pupil diameter is 70mm, exit pupil distance is 70mm, field of view is7.1°, the operating wave band is 500~800nm, the modulation transfer function is above 0.30 all over the field of view at the Nyquist frequency of 36lp/mm, the absolute distortion value is less than 0.23μm all over the field of view. The design results show that the single star position deviation caused by the optical system is only 0.46″. This paper can provide a reference for the design of sub-second star simulator optical system.
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Yongdan Jia, Weizhi Wang, and Jian Sun "Design of sub-second dynamic star simulator optical system", Proc. SPIE 12617, Ninth Symposium on Novel Photoelectronic Detection Technology and Applications, 1261716 (4 April 2023); https://doi.org/10.1117/12.2664251
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KEYWORDS
Star sensors
Optical simulations
Distortion
Computer simulations
Modulation transfer functions
Optical design
Monochromatic aberrations
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