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17 September 2009 Advances in solar adaptive optics system at the domeless solar telescope of the Hida Observatory
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Abstract
A solar adaptive optics system for the 60 cm domeless solar telescope of the Hida Observatory in Japan is developed. A high-speed deformable mirror with 52 electromagnetic actuators is newly used in an experimental adaptive optics system. The use of the mirror resulted in the improvement of Strehl ratios in laboratory experiments. In solar observations, the system worked well when solar granulation was used as a target for wavefront sensing. An adaptive optics system being developed for a vertical spectrograph of the domeless solar telescope is described.
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Noriaki Miura, Yuuki Noto, Shuusuke Kato, Fumihito Yokoyama, Susumu Kuwamura, Naoshi Baba, Yoichiro Hanaoka, Shin'ichi Nagata, Satoru Ueno, Reizaburo Kitai, Kiyoshi Ichimoto, and Hideki Takami "Advances in solar adaptive optics system at the domeless solar telescope of the Hida Observatory", Proc. SPIE 7439, Astronomical and Space Optical Systems, 74390U (17 September 2009); https://doi.org/10.1117/12.825218
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