Progress on Solar Multi-Conjugate Adaptive Optics at the New Vacuum Solar Telescope

被引：0

作者：

Rao, Changhui ^{[1
,2
]}

Zhang, Lanqiang ^{[1
,2
]}

Kong, Lin ^{[1
,2
]}

Rao, Xuejun ^{[1
,2
]}

Guo, Youming ^{[1
,2
]}

Bao, Hua ^{[1
,2
]}

Zhong, Libo ^{[1
,2
]}

Zhu, Lei ^{[1
,2
]}

Ma, Xue'an ^{[1
,2
]}

Li, Mei ^{[1
,2
]}

Wang, Cheng ^{[1
,2
]}

Zhang, Xiaojun ^{[1
,2
]}

Fan, Xinlong ^{[1
,2
]}

Chen, Donghong ^{[1
,2
]}

Wang, Xiaoyun ^{[1
,2
]}

Feng, Zhongyi ^{[1
,2
]}

Zhang, Xianyu ^{[3
]}

机构：

[1] Chinese Acad Sci, Key Lab Adapt Opt, Chengdu 610209, Sichuan, Peoples R China

[2] Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Sichuan, Peoples R China

[3] Large Binocular Telescope Observ, 933 N Cherry Ave, Tucson, AZ 85721 USA

来源：

ADAPTIVE OPTICS SYSTEMS VI | 2018年 / 10703卷

基金：

中国国家自然科学基金;

关键词：

Multi-conjugate adaptive optics (MCAO); multi-direction Shack-Hartmann wavefront sensor; NVST; solar observation;

D O I：

10.1117/12.2310124

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Multi-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.

引用

页数：9

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