Research on aberration theory of star track systems

Jun Chang; Yuncai Hao; Jian Liu

doi:10.1117/12.811799

28 January 2009 Research on aberration theory of star track systems

Jun Chang, Yuncai Hao, Jian Liu

Proceedings Volume 7156, 2008 International Conference on Optical Instruments and Technology: Optical Systems and Optoelectronic Instruments; 715632 (2009) https://doi.org/10.1117/12.811799
Event: International Conference of Optical Instrument and Technology, 2008, Beijing, China

Abstract

CCD star tracker is a key equipment of satellites. It works at a broad range of wavelength, from visible wavelength to near infrared. Here we just try to analyze the influence of aberrations based on an actual system (focal length: 120mm, F number: 1.3, field of view: 12deg, wavelength range: 0.45 micron to 0.85 micron). A double Gauss system is used to decrease the chromatic aberration while other aberrations are also controlled very well. The result shows that we can get some conclusions about the influence of coma which is the most significant aberration in this system.

Citation Download Citation

Jun Chang, Yuncai Hao, and Jian Liu "Research on aberration theory of star track systems", Proc. SPIE 7156, 2008 International Conference on Optical Instruments and Technology: Optical Systems and Optoelectronic Instruments, 715632 (28 January 2009); https://doi.org/10.1117/12.811799

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KEYWORDS

Stars

Monochromatic aberrations

Charge-coupled devices

Aberration theory

Optical tracking

Satellites

Chromatic aberrations

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