Development of dual imaging optical sensor (DIOS) for small satellites

Young-Wan Choi; Myung-Seok Kang; Sung-Keun Jeong; Ji-Ho Yun; Seung-Uk Yang; Jongun Kim; Ee-Eul Kim

doi:10.1117/12.733587

27 September 2007 Development of dual imaging optical sensor (DIOS) for small satellites

Young-Wan Choi, Myung-Seok Kang, Sung-Keun Jeong, Ji-Ho Yun, Seung-Uk Yang, Jongun Kim, Ee-Eul Kim

Proceedings Volume 6677, Earth Observing Systems XII; 667719 (2007) https://doi.org/10.1117/12.733587
Event: Optical Engineering + Applications, 2007, San Diego, California, United States

Abstract

The mission of DIOS program is to provide the function of large-swathwidth or in-track stereo imaging with compact electro-optical cameras. Optimized from its predecessor SAC (Small-sized Aperture Camera), DIOS consists of two cameras, each with an aperture of 120 mm diameter, 10 m GSD, and 50 km swath width in the spectral range of 520 ~ 890 nm. DIOS is developed to produce high quality images: MTF of more than 12 %; SNR of more than 100. DIOS can be configured to have cameras side-by-side, providing a swathwidth up to 100 km for a mission of large swathwidth. DIOS will be configured with installation of slanted two cameras for the mission of in-track stereo imaging to produce digital elevation model. In this paper, Dual Imaging Optical Sensor (DIOS) will be introduced with design approach and performance measure. Even though developed for micro satellites, the presentation of development status and test results will demonstrate the potential capability that DISO can provide for world-wide remote sensing groups: short development period, cost-effectiveness, wide application ranges, and high performance.

Citation Download Citation

Young-Wan Choi, Myung-Seok Kang, Sung-Keun Jeong, Ji-Ho Yun, Seung-Uk Yang, Jongun Kim, and Ee-Eul Kim "Development of dual imaging optical sensor (DIOS) for small satellites", Proc. SPIE 6677, Earth Observing Systems XII, 667719 (27 September 2007); https://doi.org/10.1117/12.733587

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