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Proceedings Paper

Near-infrared imaging spectrometer onboard NEXTSat-1
Author(s): Woong-Seob Jeong; Sung-Joon Park; Bongkon Moon; Dae-Hee Lee; Jeonghyun Pyo; Won-Kee Park; Youngsik Park; Il-Joong Kim; Kyeongyeon Ko; Dukhang Lee; Min Gyu Kim; Minjin Kim; Jongwan Ko; Goo-Hwan Shin; Jangsoo Chae; Toshio Matsumoto
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Paper Abstract

The NISS (Near-infrared Imaging Spectrometer for Star formation history) is the near-infrared instrument optimized to the first next generation of small satellite (NEXTSat-1) in Korea. The spectro-photometric capability in the near-infrared range is a unique function of the NISS. The major scientific mission is to study the cosmic star formation history in local and distant universe. For those purposes, the NISS will perform the large areal imaging spectroscopic survey for astronomical objects and low background regions. We have paid careful attention to reduce the volume and to increase the total throughput. The newly implemented off-axis optics has a wide field of view (2° x 2°) and a wide wavelength range from 0.9 to 3.8μm. The mechanical structure is designed to consider launching conditions and passive cooling of the telescope. The compact dewar after relay-lens module is to operate the infrared detector and spectral filters at 80K stage. The independent integration of relay-lens part and primary-secondary mirror assembly alleviates the complex alignment process. We confirmed that the telescope and the infrared sensor can be cooled down to around 200K and 80K, respectively. The engineering qualification model of the NISS was tested in the space environment including the launch-induced vibration and shock. The NISS will be expected to demonstrate core technologies related to the development of the future infrared space telescope in Korea.

Paper Details

Date Published: 29 July 2016
PDF: 7 pages
Proc. SPIE 9904, Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave, 990459 (29 July 2016); doi: 10.1117/12.2232924
Show Author Affiliations
Woong-Seob Jeong, Korea Astronomy and Space Science Institute (Korea, Republic of)
Korea Univ. of Science and Technology (Korea, Republic of)
Sung-Joon Park, Korea Astronomy and Space Science Institute (Korea, Republic of)
Bongkon Moon, Korea Astronomy and Space Science Institute (Korea, Republic of)
Dae-Hee Lee, Korea Astronomy and Space Science Institute (Korea, Republic of)
Jeonghyun Pyo, Korea Astronomy and Space Science Institute (Korea, Republic of)
Won-Kee Park, Korea Astronomy and Space Science Institute (Korea, Republic of)
Youngsik Park, Korea Astronomy and Space Science Institute (Korea, Republic of)
Il-Joong Kim, Korea Astronomy and Space Science Institute (Korea, Republic of)
Kyeongyeon Ko, Korea Astronomy and Space Science Institute (Korea, Republic of)
Korea Univ. of Science and Technology (Korea, Republic of)
Dukhang Lee, Korea Astronomy and Space Science Institute (Korea, Republic of)
Korea Univ. of Science and Technology (Korea, Republic of)
Min Gyu Kim, Korea Astronomy and Space Science Institute (Korea, Republic of)
Seoul National Univ. (Korea, Republic of)
Minjin Kim, Korea Astronomy and Space Science Institute (Korea, Republic of)
Korea Univ. of Science and Technology (Korea, Republic of)
Jongwan Ko, Korea Astronomy and Space Science Institute (Korea, Republic of)
Korea Univ. of Science and Technology (Korea, Republic of)
Goo-Hwan Shin, KAIST (Korea, Republic of)
Jangsoo Chae, KAIST (Korea, Republic of)
Toshio Matsumoto, Korea Astronomy and Space Science Institute (Korea, Republic of)
Japan Aerospace Exploration Agency (Japan)


Published in SPIE Proceedings Vol. 9904:
Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave
Howard A. MacEwen; Giovanni G. Fazio; Makenzie Lystrup; Natalie Batalha; Nicholas Siegler; Edward C. Tong, Editor(s)

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