Solar adaptive optics system at the Hida Observatory

Noriaki Miura; Yuuki Noto; Shuusuke Kato; Susumu Kuwamura; Naoshi Baba; Yoichiro Hanaoka; Shin'ichi Nagata; Satoru Ueno; Reizaburo Kitai; Hideki Takami

doi:10.1117/12.788308

15 July 2008 Solar adaptive optics system at the Hida Observatory

Noriaki Miura, Yuuki Noto, Shuusuke Kato, Susumu Kuwamura, Naoshi Baba, Yoichiro Hanaoka, Shin'ichi Nagata, Satoru Ueno, Reizaburo Kitai, Hideki Takami

Author Affiliations +

Proceedings Volume 7015, Adaptive Optics Systems; 70156U (2008) https://doi.org/10.1117/12.788308
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

Abstract

A solar adaptive optics system is developed for the 60 cm domeless solar telescope of the Hida Observatory in Japan. It is designed for compensating low order turbulence in G-band using a 52-electromagnetic-actuator deformable mirror, a 6x6 Shack-Hartmann wavefront sensor and standard personal computers. The details of the system, particularly features of the deformable mirror are described. Laboratory experiments show that the use of adaptive optics raises the Strehl ratio by a factor of five for turbulence of under 99Hz. In solar observations, the improvement of resolution in long-exposure images with the adaptive optics system is demonstrated.

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Noriaki Miura, Yuuki Noto, Shuusuke Kato, Susumu Kuwamura, Naoshi Baba, Yoichiro Hanaoka, Shin'ichi Nagata, Satoru Ueno, Reizaburo Kitai, and Hideki Takami "Solar adaptive optics system at the Hida Observatory", Proc. SPIE 7015, Adaptive Optics Systems, 70156U (15 July 2008); https://doi.org/10.1117/12.788308

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