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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
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.

资助项目National Natural Science Foundation of China[11178004]
项目资助者National Natural Science Foundation of China[11178004]
语种英语
学科领域物理学 ; 光学 ; 天文学 ; 太阳与太阳系 ; 太阳与太阳系其他学科
学科门类理学 ; 理学::天文学
文章类型Article
出版者NATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
出版地20A DATUN RD, CHAOYANG, BEIJING, 100012, PEOPLES R CHINA
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
引用统计
被引频次:19[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9328
专题太阳物理研究组
抚仙湖太阳观测和研究基地
天文技术实验室
通讯作者Zhu, Lei
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
推荐引用方式
GB/T 7714
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.,...&Liu Z.(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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