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Proceedings Paper

Development of superconducting submillimeter-wave limb emission sounder (JEM/SMILES) aboard the International Space Station
Author(s): Hiroyuki Ozeki; Junji Inatani; Ryouta Satoh; Toshiyuki Nishibori; Naomi Ikeda; Yasunori Fujii; Takashi Nakajima; Yukiei Iida; Teruhito Iida; Ken'ichi Kikuchi; Takeshi Miura; Harunobu Masuko; Takeshi Manabe; Satoshi Ochiai; Masumichi Seta; Yoshihisa Irimajiri; Yasuko Kasai; Makoto Suzuki; Tomoko Shirai; Sho Tsujimaru; Kazuo Shibasaki; Masato Shiotani
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Paper Abstract

A submillimeter wave limb emission sounder, that is to be aboard the Japanese Experiment Module (JEM, dubbed as 'KIBO') at the International Space Station, has been designed. This payload, Superconducting Submillimeter-wave Limb Emission Sounder (SMILES), is aimed at global mappings of stratospheric trace gasses by means of the most sensitive submillimeter receiver ever operated in space. Such sensitivity is ascribed to a Superconductor-Insulator- Superconductor (SIS) mixer, which is operated at 4.5 K in a dedicated cryostat combined with a mechanical cooler. SMILES will observe ozone-depletion-related molecules such as ClO, HCl, HO2, HNO3, BrO and O3 in the frequency bands at 624.32 - 626.32 GHz, and 649.12 - 650.32 GHz. A scanning antenna will cover tangent altitudes from 10 to 60 km in every 53 seconds, while tracing latitudes from 38S to 65N along its orbit. This global coverage makes SMILES a useful tool of observing the low- and mid-latitudinal areas as well as the Arctic peripheral region. The molecular emissions will be detected by two units of acousto-optic spectrometers (AOS), each of which has coverage of 1.2 GHz with a resolution of 1.8 MHz. This high-resolution spectroscopy will allow us to detect weal emission lines attributing to less-abundant species.

Paper Details

Date Published: 12 December 2001
PDF: 12 pages
Proc. SPIE 4540, Sensors, Systems, and Next-Generation Satellites V, (12 December 2001); doi: 10.1117/12.450662
Show Author Affiliations
Hiroyuki Ozeki, National Space Development Agency of Japan (Japan)
Junji Inatani, National Space Development Agency of Japan (Japan)
Ryouta Satoh, National Space Development Agency of Japan (Japan)
Toshiyuki Nishibori, National Space Development Agency of Japan (Japan)
Naomi Ikeda, National Space Development Agency of Japan (Japan)
Yasunori Fujii, National Space Development Agency of Japan (Japan)
Takashi Nakajima, National Space Development Agency of Japan (Japan)
Yukiei Iida, National Space Development Agency of Japan (Japan)
Teruhito Iida, National Space Development Agency of Japan (Japan)
Ken'ichi Kikuchi, National Space Development Agency of Japan (Japan)
Takeshi Miura, National Space Development Agency of Japan (Japan)
Harunobu Masuko, Communications Research Lab. (Japan)
Takeshi Manabe, Communications Research Lab. (Japan)
Satoshi Ochiai, Communications Research Lab. (Japan)
Masumichi Seta, Communications Research Lab. (Japan)
Yoshihisa Irimajiri, Communications Research Lab. (Japan)
Yasuko Kasai, Communications Research Lab. (Japan)
Makoto Suzuki, National Space Development Agency of Japan (Japan)
Tomoko Shirai, National Space Development Agency of Japan (Japan)
Sho Tsujimaru, National Space Development Agency of Japan (Japan)
Kazuo Shibasaki, Kokugakuin Univ. (Japan)
Masato Shiotani, Kyoto Univ. (Japan)


Published in SPIE Proceedings Vol. 4540:
Sensors, Systems, and Next-Generation Satellites V
Hiroyuki Fujisada; Joan B. Lurie; Konradin Weber; Joan B. Lurie; Konradin Weber, Editor(s)

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