Development of a superconducting submillimeter-wave limb emission sounder (SMILES) on the Japanese Experiment Module (JEM) of the International Space Station (ISS)

Naomi Ikeda; Junji Inatani; Yukiei Iida; Harunobu Masuko; Takeshi Manabe; Satoshi Ochiai; Yoshihisa Irimajiri; Masumichi Seta; Sheng-Cai Shi; Takashi Noguchi

doi:10.1117/12.331196

13 November 1998 Development of a superconducting submillimeter-wave limb emission sounder (SMILES) on the Japanese Experiment Module (JEM) of the International Space Station (ISS)

Naomi Ikeda, Junji Inatani, Yukiei Iida, Harunobu Masuko, Takeshi Manabe, Satoshi Ochiai, Yoshihisa Irimajiri, Masumichi Seta, Sheng-Cai Shi, Takashi Noguchi

Author Affiliations +

Proceedings Volume 3465, Millimeter and Submillimeter Waves IV; (1998) https://doi.org/10.1117/12.331196
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

NASDA and CRL are planning to develop a spaceborne SMILES, which is to be installed in the Exposed Facility (EF) on the JEM of the ISS. By observing gases such as ClO, HCl, NO, N₂O, HO₂ and BrO in the stratosphere, JEM/SMILES can trace the chemical reactions concerning the ozone depletion and climate change. Global distribution of those gases will be mapped with a height resolution of about 2 km. JEM/SMILES receives low-intensity signals from those gases with highly sensitive SIS (Superconductor-Insulator-Superconductor) mixers at 640 GHz, which are cooled to 4.2 K by a space-qualified mechanical cooler. The mission target is to demonstrate the effectiveness of the submillimeter-wave limb emission sounding and to establish space applicability of the low-noise SIS mixers and a mechanical 4-K cooler. JEM/SMILES is expected to be launched in 2003, and the experiments will last a year or more.

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Naomi Ikeda, Junji Inatani, Yukiei Iida, Harunobu Masuko, Takeshi Manabe, Satoshi Ochiai, Yoshihisa Irimajiri, Masumichi Seta, Sheng-Cai Shi, and Takashi Noguchi "Development of a superconducting submillimeter-wave limb emission sounder (SMILES) on the Japanese Experiment Module (JEM) of the International Space Station (ISS)", Proc. SPIE 3465, Millimeter and Submillimeter Waves IV, (13 November 1998); https://doi.org/10.1117/12.331196

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