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First generation solar adaptive optics system for 1-m New Vacuum Solar Telescope at Fuxian Solar Observatory
Rao, Chang-Hui1,2; Zhu, Lei1,2; Rao, Xue-Jun1,2; Zhang, Lan-Qiang1,2; Bao, Hua1,2; Ma, Xue-An1,2; Gu, Nai-Ting1,2; Guan, Chun-Lin1,2; Chen, Dong-Hong1,2; Wang, Cheng1,2; Lin J(林隽)3; Jin ZY(金振宇)3; Liu Z(刘忠)3; Zhu, L (reprint author), Chinese Acad Sci, Key Lab Adapt Opt, Chengdu 610209, Peoples R China
发表期刊RESEARCH IN ASTRONOMY AND ASTROPHYSICS
2016-02-01
卷号16期号:2
DOI10.1088/1674-4527/16/2/023
产权排序第3完成单位
收录类别SCI
关键词Adaptive Optics High Angular Resolution Sunspots Granulation
摘要The first generation solar adaptive optics (AO) system, which consists of a fine tracking loop with a tip-tilt mirror (TTM) and a correlation tracker, and a high-order correction loop with a 37-element deformable mirror (DM), a correlating Shack-Hartmann (SH) wavefront sensor (WFS) based on the absolute difference algorithm and a real time controller (RTC), has been developed and installed at the 1-m New Vacuum Solar Telescope (NVST) that is part of Fuxian Solar Observatory (FSO). Compared with the 37-element solar AO system developed for the 26-cm Solar Fine Structure Telescope, administered by Yunnan Astronomical Observatories, this AO system has two updates: one is the subaperture arrangement of the WFS changed from square to hexagon; the other is the high speed camera of the WFS and the corresponding real time controller. The WFS can be operated at a frame rate of 2100 Hz and the error correction bandwidth can exceed 100 Hz. After AO correction, the averaged residual image motion and the averaged RMS wavefront error are reduced to 0.06 '' and 45 nm, respectively. The results of on-sky testing observations demonstrate better contrast and finer structures of the images taken with AO than those without AO.
项目资助者National Natural Science Foundation of China(11178004)
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN1674-4527
URL查看原文
WOS记录号WOS:000369252500003
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]FINE-STRUCTURE TELESCOPE
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9328
专题抚仙湖太阳观测站
通讯作者Zhu, L (reprint author), Chinese Acad Sci, Key Lab Adapt Opt, Chengdu 610209, Peoples R China
作者单位1.Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Shuangliu, Chengdu 610209, China
2.Laboratory on Adaptive Optics, Institute of Optics and Electronics, Chinese Academy of Sciences, Shuangliu, Chengdu 610209, China
3.Yunnan Astronomical Observatories, Chinese Academy of Sciences, Kunming 650011, China
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Rao, Chang-Hui,Zhu, Lei,Rao, Xue-Jun,et al. First generation solar adaptive optics system for 1-m New Vacuum Solar Telescope at Fuxian Solar Observatory[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2016,16(2).
APA Rao, Chang-Hui.,Zhu, Lei.,Rao, Xue-Jun.,Zhang, Lan-Qiang.,Bao, Hua.,...&Zhu, L .(2016).First generation solar adaptive optics system for 1-m New Vacuum Solar Telescope at Fuxian Solar Observatory.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,16(2).
MLA Rao, Chang-Hui,et al."First generation solar adaptive optics system for 1-m New Vacuum Solar Telescope at Fuxian Solar Observatory".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 16.2(2016).
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