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21 November 2017 Medium-sized aperture camera for Earth observation
Eugene D. Kim, Young-Wan Choi, Myung-Seok Kang, Ee-Eul Kim, Ho-Soon Yang, Ad. Aziz Ad. Rasheed, Ahmad Sabirin Arshad
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Proceedings Volume 10568, International Conference on Space Optics — ICSO 2004; 105680H (2017) https://doi.org/10.1117/12.2308001
Event: International Conference on Space Optics 2004, 2004, Toulouse, France
Abstract
Satrec Initiative and ATSB have been developing a medium-sized aperture camera (MAC) for an earth observation payload on a small satellite. Developed as a push-broom type high-resolution camera, the camera has one panchromatic and four multispectral channels. The panchromatic channel has 2.5m, and multispectral channels have 5m of ground sampling distances at a nominal altitude of 685km. The 300mm-aperture Cassegrain telescope contains two aspheric mirrors and two spherical correction lenses. With a philosophy of building a simple and cost-effective camera, the mirrors incorporate no light-weighting, and the linear CCDs are mounted on a single PCB with no beam splitters. MAC is the main payload of RazakSAT to be launched in 2005. RazakSAT is a 180kg satellite including MAC, designed to provide high-resolution imagery of 20km swath width on a near equatorial orbit (NEqO). The mission objective is to demonstrate the capability of a high-resolution remote sensing satellite system on a near equatorial orbit. This paper describes the overview of the MAC and RarakSAT programmes, and presents the current development status of MAC focusing on key optical aspects of Qualification Model.
© (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Eugene D. Kim, Young-Wan Choi, Myung-Seok Kang, Ee-Eul Kim, Ho-Soon Yang, Ad. Aziz Ad. Rasheed, and Ahmad Sabirin Arshad "Medium-sized aperture camera for Earth observation", Proc. SPIE 10568, International Conference on Space Optics — ICSO 2004, 105680H (21 November 2017); https://doi.org/10.1117/12.2308001
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KEYWORDS
Modulation transfer functions
Mirrors
Telescopes
Space telescopes
Cameras
Satellites
Charge-coupled devices
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