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15 November 2018 A large relative aperture and wide-spectrum star sensor optical lens design
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Proceedings Volume 10964, Tenth International Conference on Information Optics and Photonics; 109642T (2018) https://doi.org/10.1117/12.2505858
Event: Tenth International Conference on Information Optics and Photonics (CIOP 2018), 2018, Beijing, China
Abstract
Star sensor is a high accuracy sensitive instrument for attitude determination, and the optical system is an essential part of the star sensor. According to the user requirements and CODE V patent library, the optical lens of a star sensor with large relative aperture and wide-spectrum range is optimized. The final design consists of 8 spherical lenses. The focal length is 50mm, the relative aperture is 1/1.35, the field of view is 7° × 7° (the diagonal field is 9.9°), and the spectral range is 500nm to 800nm. The design results show the optical lens has good performance. The distortion is less than 1%, the energy concentration is more than 80%, and the MTF of all fields of view is close to each other. The energy concentration of the spot diagram on the off-axis field of view and the on-axis field of view remains basically the same. The optical system meets modern design requirements for the star sensors.
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yang Wang, Lei Zhang, Xiangyue Meng, and Qi Xin "A large relative aperture and wide-spectrum star sensor optical lens design", Proc. SPIE 10964, Tenth International Conference on Information Optics and Photonics, 109642T (15 November 2018); https://doi.org/10.1117/12.2505858
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