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Proceedings Paper

Development of mechanical structure for the compact space IR camera MIRIS
Author(s): Bongkon Moon; Woong-Seob Jeong; Sang-Mok Cha; Youngsik Park; Chang-Hee Ree; Dae-Hee Lee; Sung-Joon Park; Uk-Won Nam; Jang-Hyun Park; Nung Hyun Ka; Mi Hyun Lee; Duk-Hang Lee; Jeonghyun Pyo; Seung-Woo Rhee; Jong-Oh Park; Hyung-Mok Lee; Toshio Matsumoto; Sun Choel Yang; Wonyong Han
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Paper Abstract

MIRIS is a compact near-infrared camera with a wide field of view of 3.67°×3.67° in the Korea Science and Technology Satellite 3 (STSAT-3). MIRIS will be launched warm and cool the telescope optics below 200K by pointing to the deep space on Sun-synchronous orbit. In order to realize the passive cooling, the mechanical structure was designed to consider thermal analysis results on orbit. Structural analysis was also conducted to ensure safety and stability in launching environments. To achieve structural and thermal requirements, we fabricated the thermal shielding parts such as Glass Fiber Reinforced Plastic (GFRP) pipe supports, a Winston cone baffle, aluminum-shield plates, a sunshade, a radiator and 30 layers of Multi Layer Insulation (MLI). These structures prevent the heat load from the spacecraft and the earth effectively, and maintain the temperature of the telescope optics within operating range. A micro cooler was installed in a cold box including a PICNIC detector and a filter-wheel, and cooled the detector down to a operating temperature range. We tested the passive cooling in the simulated space environment and confirmed that the required temperature of telescope can be achieved. Driving mechanism of the filter-wheel and the cold box structure were also developed for the compact space IR camera. Finally, we present the assembly procedures and the test result for the mechanical parts of MIRIS.

Paper Details

Date Published: 5 August 2010
PDF: 9 pages
Proc. SPIE 7731, Space Telescopes and Instrumentation 2010: Optical, Infrared, and Millimeter Wave, 77311Y (5 August 2010); doi: 10.1117/12.856364
Show Author Affiliations
Bongkon Moon, Korea Astronomy and Space Science Institute (Korea, Republic of)
Woong-Seob Jeong, Korea Astronomy and Space Science Institute (Korea, Republic of)
Sang-Mok Cha, Korea Astronomy and Space Science Institute (Korea, Republic of)
Youngsik Park, Korea Astronomy and Space Science Institute (Korea, Republic of)
Chang-Hee Ree, Korea Astronomy and Space Science Institute (Korea, Republic of)
Dae-Hee Lee, Korea Astronomy and Space Science Institute (Korea, Republic of)
Sung-Joon Park, Korea Astronomy and Space Science Institute (Korea, Republic of)
Uk-Won Nam, Korea Astronomy and Space Science Institute (Korea, Republic of)
Jang-Hyun Park, Korea Astronomy and Space Science Institute (Korea, Republic of)
Nung Hyun Ka, Korea Astronomy and Space Science Institute (Korea, Republic of)
Mi Hyun Lee, Korea Astronomy and Space Science Institute (Korea, Republic of)
Duk-Hang Lee, Korea Astronomy and Space Science Institute (Korea, Republic of)
Univ. of Science and Technology (Korea, Republic of)
Jeonghyun Pyo, Korea Astronomy and Space Science Institute (Korea, Republic of)
Seung-Woo Rhee, Korea Aerospace Research Institute (Korea, Republic of)
Jong-Oh Park, Korea Aerospace Research Institute (Korea, Republic of)
Hyung-Mok Lee, Seoul National Univ. (Korea, Republic of)
Toshio Matsumoto, Seoul National Univ. (Korea, Republic of)
Institute of Space and Astronautical Science (Japan)
Sun Choel Yang, Korea Basic Science Institute (Korea, Republic of)
Wonyong Han, Korea Astronomy and Space Science Institute (Korea, Republic of)


Published in SPIE Proceedings Vol. 7731:
Space Telescopes and Instrumentation 2010: Optical, Infrared, and Millimeter Wave
Jacobus M. Oschmann; Mark C. Clampin; Howard A. MacEwen, Editor(s)

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