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Proceedings Paper

The Solar Optical Telescope onboard the Solar-B
Author(s): Kiyoshi Ichimoto; Saku Tsuneta; Yoshinori Suematsu; Toshifumi Shimizu; Masashi Otsubo; Yoshihiro Kato; Motokazu Noguchi; Masao Nakagiri; Tomonori Tamura; Yukio Katsukawa; Masahito Kubo; Yasushi Sakamoto; Hirohisa Hara; Kenji Minesugi; Akira Ohnishi; Hideo Saito; Noboru Kawaguchi; Tadashi Matsushita; Toshitaka Nakaoji; Kazuhiro Nagae; Joji Sakamoto; Yoshihiro Hasuyama; Izumi Mikami; Keizo Miyawaki; Yasushi Sakurai; Nobuaki Kaido; Toshihida Horiuchi; Sadanori Shimada; Toshio Inoue; Masaaki Mitsutake; Norimasa Yoshida; Osamu Takahara; Norihide Takeyama; Masaharu Suzuki; Shunichi Abe
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Paper Abstract

The solar optical telescope onboard the Solar-B is aimed to perform a high precision polarization measurements of the solar spectral lines in visible wavelengths to obtain, for the first time, continuous sets of high spatial resolution (~0.2arcsec) and high accuracy vector-magnetic-field map of the sun for studying the mechanisms driving the fascinating activity phenomena occurring in the solar atmosphere. The optical telescope assembly (OTA) is a diffraction limited, aplanatic Gregorian telescope with an aperture of Φ500mm. With a collimating lens unit and an active folding mirror, the OTA provides a pointing-stabilized parallel beam to the focal plane package (FPP) with a field of view of about 360x200arcsec. In this paper we identify the key technical issues of OTA for achieving the mission goal and describe the basic concepts in its optical, mechanical and thermal designs. The strategy to verify the in-orbit performance of the telescope is also discussed.

Paper Details

Date Published: 12 October 2004
PDF: 10 pages
Proc. SPIE 5487, Optical, Infrared, and Millimeter Space Telescopes, (12 October 2004); doi: 10.1117/12.550989
Show Author Affiliations
Kiyoshi Ichimoto, National Astronomical Observatory of Japan (Japan)
Saku Tsuneta, National Astronomical Observatory of Japan (Japan)
Yoshinori Suematsu, National Astronomical Observatory of Japan (Japan)
Toshifumi Shimizu, National Astronomical Observatory of Japan (Japan)
Masashi Otsubo, National Astronomical Observatory of Japan (Japan)
Yoshihiro Kato, National Astronomical Observatory of Japan (Japan)
Motokazu Noguchi, National Astronomical Observatory of Japan (Japan)
Masao Nakagiri, National Astronomical Observatory of Japan (Japan)
Tomonori Tamura, National Astronomical Observatory of Japan (Japan)
Yukio Katsukawa, National Astronomical Observatory of Japan (Japan)
Masahito Kubo, National Astronomical Observatory of Japan (Japan)
Yasushi Sakamoto, National Astronomical Observatory of Japan (Japan)
Hirohisa Hara, National Astronomical Observatory of Japan (Japan)
Kenji Minesugi, ISAS/Japan Aerospace Exploration Agency (Japan)
Akira Ohnishi, ISAS/Japan Aerospace Exploration Agency (Japan)
Hideo Saito, Mitsubishi Electric Corp. (Japan)
Noboru Kawaguchi, Mitsubishi Electric Corp. (Japan)
Tadashi Matsushita, Mitsubishi Electric Corp. (Japan)
Toshitaka Nakaoji, Mitsubishi Electric Corp. (Japan)
Kazuhiro Nagae, Mitsubishi Electric Corp. (Japan)
Joji Sakamoto, Mitsubishi Electric Corp. (Japan)
Yoshihiro Hasuyama, Mitsubishi Electric Corp. (Japan)
Izumi Mikami, Mitsubishi Electric Corp. (Japan)
Keizo Miyawaki, Mitsubishi Electric Corp. (Japan)
Yasushi Sakurai, Mitsubishi Electric Corp. (Japan)
Nobuaki Kaido, Mitsubishi Electric Corp. (Japan)
Toshihida Horiuchi, Mitsubishi Electric Corp. (Japan)
Sadanori Shimada, Mitsubishi Electric Corp. (Japan)
Toshio Inoue, Mitsubishi Electric Corp. (Japan)
Masaaki Mitsutake, Mitsubishi Electric Corp. (Japan)
Norimasa Yoshida, Mitsubishi Electric Corp. (Japan)
Osamu Takahara, Mitsubishi Electric Corp. (Japan)
Norihide Takeyama, Genesia Corp. (Japan)
Masaharu Suzuki, Canon Corp. (Japan)
Shunichi Abe, Canon Corp. (Japan)


Published in SPIE Proceedings Vol. 5487:
Optical, Infrared, and Millimeter Space Telescopes
John C. Mather, Editor(s)

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