Development of an extreme ultraviolet imaging spectrometer for the mercury mission

Ichiro Yoshikawa, Tetsunori Murachi, Shingo Kameda, Atsushi Yamazaki, Shoichi Okano, Masato Nakamura

研究成果: Conference article査読

6 被引用数 (Scopus)

抄録

Extreme and far ultraviolet imaging spectrometers will be boarded on the low-altitude satellite of the upcoming mercury mission (the BepiColombo mission) conducted by ISAS and ESA. The UV instrument, consisting of the two spectrometers with common electronics, aims at measuring, (1) emission lines from molecules, atoms and ions present in the Mercury's tenuous atmosphere, and (2) the reflectance spectrum of Mercury's surface. The instrument pursues a complete coverage in UV spectroscopy. The extreme UV spectrometer covers the spectral range of 30-150 nm with the field of view of 5.0 degree, and the spectrum from 130 nm to 430 nm is obtained by the far UV spectrometer. The extreme UV spectrometer employs a Mo/Si multi-layer coating to enhance its sensitivity at particular emission lines. This technology enables us to identify small ionospheric signals such as He II (30.4nm) and Na II (37.2nm), which the previous mission could not identify.

本文言語English
ページ(範囲)164-171
ページ数8
ジャーナルProceedings of SPIE - The International Society for Optical Engineering
5193
DOI
出版ステータスPublished - 2004 5 3
イベントAdvances in Mirror Technology for X-Ray, EUV Lithography, Laser and Other Applications - Sand Diego, CA, United States
継続期間: 2003 8 72003 8 8

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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