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Proceedings Paper

Solar adaptive optics at the Hida Observatory: latest achievements of current system and design of new system
Author(s): Noriaki Miura; Jun'ichi Miyazaki; Susumu Kuwamura; Naoshi Baba; Yoichiro Hanaoka; Masashi Yamaguchi; Satoru Ueno; Yoshikazu Nakatani; Shin'ichi Nagata; Reizaburou Kitai; Kiyoshi Ichimoto; Hideki Takami
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Paper Abstract

Solar adaptive optics (AO) systems are developed at the 60cm domeless solar telescope in the Hida Observatory, Japan. An AO system currently used has a deformable mirror with high-speed 97 electromagnetic actuators and a Shack- Hartmann wavefront sensor with a 10x10-microlens array and 4000fps-CMOS camera. Its control frequency is about 1100-1400 Hz, and hence the -3dB cutoff frequency of the system is theoretically above 100 Hz. In parallel to developing the system, a new full-scaled AO system is designed to be applicable to various observations, such as highdispersion spectroscopy and simultaneous wide-range spectroscopy. The new system will work as classical AO at first. The details of the current system, observational results using it, and the design of the new AO system are described.

Paper Details

Date Published: 13 September 2012
PDF: 6 pages
Proc. SPIE 8447, Adaptive Optics Systems III, 84474D (13 September 2012); doi: 10.1117/12.925848
Show Author Affiliations
Noriaki Miura, Kitami Institute of Technology (Japan)
Jun'ichi Miyazaki, Kitami Institute of Technology (Japan)
Susumu Kuwamura, Kitami Institute of Technology (Japan)
Naoshi Baba, Hokkaido Univ. (Japan)
Yoichiro Hanaoka, Subaru Telescope, National Astronomical Observatory of Japan (Japan)
Masashi Yamaguchi, Kyoto Univ. (Japan)
Satoru Ueno, Kyoto Univ. (Japan)
Yoshikazu Nakatani, Kyoto Univ. (Japan)
Shin'ichi Nagata, Kyoto Univ. (Japan)
Reizaburou Kitai, Kyoto Univ. (Japan)
Kiyoshi Ichimoto, Kyoto Univ. (Japan)
Hideki Takami, Subaru Telescope, National Astronomical Observatory of Japan (United States)

Published in SPIE Proceedings Vol. 8447:
Adaptive Optics Systems III
Brent L. Ellerbroek; Enrico Marchetti; Jean-Pierre Véran, Editor(s)

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