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Progress on Solar Multi-Conjugate Adaptive Optics at the New Vacuum Solar Telescope
Rao, Changhui1,2; Zhang, Lanqiang1,2; Kong, Lin1,2; Rao, Xuejun1,2; Guo, Youming1,2; Bao, Hua1,2; Zhong, Libo1,2; Zhu, Lei1,2; Ma, Xue'An1,2; Li, Mei1,2; Wang, Cheng1,2; Zhang, Xiaojun1,2; Fan, Xinlong1,2; Chen, Donghong1,2; Wang, Xiaoyun1,2; Feng, Zhongyi1,2; Zhang, Xianyu3
Source PublicationProceedings of SPIE - ADAPTIVE OPTICS SYSTEMS VI
Indexed BySCI ; Ei
WOS IDWOS:000452819300013
EI Accession Number20183905850179
AbstractMulti-conjugate adaptive optics (MCAO) has been proved to obtain the high resolution images with a large field of view in solar observation. A solar MCAO experiment system had been successfully developed and tested at the 1-meter New Vacuum Solar Telescope (NVST) of Fuxian Solar Observatory. It consists of two deformable mirrors (DMs), a multi-direction Shack-Hartmann wavefront sensor (MD-WFS), and a real-time controller. In order to command the two DMs, five guide regions were selected from the MD-WFS to retrieve a three-dimensional measurement of the turbulent volume based on atmospheric tomography. This system saw the first light in October, 2017, and a series of MCAO-corrected high resolution sunspots images were acquired. In this presentation, the MCAO experiment system is introduced, and the observation results are presented. Furthermore, a new MCAO system based on our proposed MCAO configuration with a high order ground layer adaptive optics and low order high altitude correction will be developed for the NVST as a regularly operating instrument for scientific observations of the sun.
KeywordMulti-conjugate adaptive optics (MCAO) multi-direction Shack-Hartmann wavefront sensor NVST solar observation
EI KeywordsElectric appliances ; Telescopes ; Wavefronts
Conference NameConference on Adaptive Optics Systems VIConference on Adaptive Optics Systems VI
Conference DateJUN 10-15, 2018JUN 10-15, 2018
Conference PlaceAustin, TXAustin, TX
EI Classification Number704.2 Electric Equipment ; 741.1 Light/Optics
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Document Type会议论文
Affiliation1.Key Laboratory of Adaptive Optics, Chinese Academy of Sciences, Chengdu; 610209, China;
2.Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu; 610209, China;
3.Large Binocular Telescope Observatory, 933 N. Cherry Ave, Tucson; AZ; 85721, United States
Recommended Citation
GB/T 7714
Rao, Changhui,Zhang, Lanqiang,Kong, Lin,et al. Progress on Solar Multi-Conjugate Adaptive Optics at the New Vacuum Solar Telescope[C],2018:107030G.
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