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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
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
2016-02-01
Volume16Issue:2
DOI10.1088/1674-4527/16/2/023
Contribution Rank第3完成单位
Indexed BySCI
KeywordAdaptive Optics High Angular Resolution Sunspots Granulation
Abstract

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.

Funding ProjectNational Natural Science Foundation of China[11178004]
Funding OrganizationNational Natural Science Foundation of China[11178004]
Language英语
Subject Area物理学 ; 光学 ; 天文学 ; 太阳与太阳系 ; 太阳与太阳系其他学科
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherNATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
Publication Place20A DATUN RD, CHAOYANG, BEIJING, 100012, PEOPLES R CHINA
ISSN1674-4527
URL查看原文
WOS IDWOS:000369252500003
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordFINE-STRUCTURE TELESCOPE
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/9328
Collection抚仙湖太阳观测站
Corresponding AuthorZhu, Lei
Affiliation1.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
Recommended Citation
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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