.A circular aperture-array structure optical system for digital sun sensor[J].Optoelectronics Letters,2008,4(1):62-65 A circular aperture-array structure optical system for digital sun sensor WEN Zhi-ming(Key Laboratory for Precision Opto-mechatronic. Techonology of Ministry of Education ,Beijing University of Aeronautics and Astronautics, Beijing 100083, China) ; JIANG Jie(Key Laboratory for Precision Opto-mechatronic. Techonology of Ministry of Education ,Beijing University of Aeronautics and Astronautics, Beijing 100083, China) ; ZHANG Guang-jun(Key Laboratory for Precision Opto-mechatronic. Techonology of Ministry of Education ,Beijing University of Aeronautics and Astronautics, Beijing 100083, China) ; FAN Qiao-yun(Key Laboratory for Precision Opto-mechatronic. Techonology of Ministry of Education ,Beijing University of Aeronautics and Astronautics, Beijing 100083, China) ; Abstract:       Based on the first type of Rayleigh Sommerfeld diffraction formula, an imaging model of circular aperture-array structure digital sun sensor optical system is developed. Then a 6×6 circular aperture-array structure optical system is designed. The results of numerical simulation show that the optical system is designed well and is conformed to the requirements of miniaturization and high accuracy of sun sensor. Hits: 3723 Download times: 194 View Full Text    Download reader