Development of an extreme ultraviolet imaging spectrometer for the BepiColombo mission

I. Yoshikawa; A. Yamazaki; T. Murachi; S. Kameda; H. Sagawa; Shouichi Okano; T. Okada; M. Nakamura

doi:10.1016/S0273-1177(03)00446-0

Development of an extreme ultraviolet imaging spectrometer for the BepiColombo mission

I. Yoshikawa, A. Yamazaki, T. Murachi, S. Kameda, H. Sagawa, Shouichi Okano, T. Okada, M. Nakamura

Science

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

Extreme and far ultraviolet imaging spectrometers are proposed for the low-altitude orbiter of the BepiColombo mission. 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°, and the spectrum from 130 to 430 nm is obtained by the far UV spectrometer. The extreme UV spectrometer employs multi-layer coating technology to enhance its sensitivity at particular emission lines. This technology enables us to identify small ionospheric signatures such as He II (30.4 nm) and Na II (37.2 nm), which could not be detected with conventional optics.

Original language	English
Pages (from-to)	2195-2199
Number of pages	5
Journal	Advances in Space Research
Volume	33
Issue number	12
DOIs	https://doi.org/10.1016/S0273-1177(03)00446-0
Publication status	Published - 2004 Jan 1

Keywords

EUV
Mercury
Spectrometer

ASJC Scopus subject areas

Aerospace Engineering
Astronomy and Astrophysics
Geophysics
Atmospheric Science
Space and Planetary Science
Earth and Planetary Sciences(all)

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abstract = "Extreme and far ultraviolet imaging spectrometers are proposed for the low-altitude orbiter of the BepiColombo mission. 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°, and the spectrum from 130 to 430 nm is obtained by the far UV spectrometer. The extreme UV spectrometer employs multi-layer coating technology to enhance its sensitivity at particular emission lines. This technology enables us to identify small ionospheric signatures such as He II (30.4 nm) and Na II (37.2 nm), which could not be detected with conventional optics.",

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AU - Yoshikawa, I.

AU - Yamazaki, A.

AU - Murachi, T.

AU - Kameda, S.

AU - Sagawa, H.

AU - Okano, Shouichi

AU - Okada, T.

AU - Nakamura, M.

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AB - Extreme and far ultraviolet imaging spectrometers are proposed for the low-altitude orbiter of the BepiColombo mission. 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°, and the spectrum from 130 to 430 nm is obtained by the far UV spectrometer. The extreme UV spectrometer employs multi-layer coating technology to enhance its sensitivity at particular emission lines. This technology enables us to identify small ionospheric signatures such as He II (30.4 nm) and Na II (37.2 nm), which could not be detected with conventional optics.

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