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Chin. Opt. Lett.
 Home  List of Issues    Issue 10 , Vol. 14 , 2016    10.3788/COL201614.100102


Prototype of solar ground layer adaptive optics at the 1 m New Vacuum Solar Telescope
Lin Kong1;2;3, Lanqiang Zhang1;2, Lei Zhu1;2, Hua Bao1;2, Youming Guo1;2, Xuejun Rao1;2, Libo Zhong1;2, and Changhui Rao1;2
1 [The Key Laboratory on Adaptive Optics], Chinese Academy of Sciences, Chengdu 61 0209, China
2 The Laboratory on Adaptive Optics, [Institute of Optics and Electronics], Chinese Academy of Sciences, Chengdu 6102 09, China
3 [University of Chinese Academy of Sciences], Beijing 100049, China

Chin. Opt. Lett., 2016, 14(10): pp.100102

DOI:10.3788/COL201614.100102
Topic:Atmospheric optics and oceanic optics
Keywords(OCIS Code): 010.1080  110.1080  

Abstract
A prototype of a solar ground-layer adaptive optics (GLAO) system, which consists of a multi-direction correlating Shack–Hartmann wavefront sensor with 30 effective subapertures and about a 1 arcmin field of view (FoV) in each subaperture, a deformable mirror with 151 actuators conjugated to the telescope entrance pupil, and a custom-built real-time controller based on field-programmable gate array and multi-core digital signal processor (DSP), is implemented at the 1 m New Vacuum Solar Telescope at Fuxian Solar Observatory and saw its first light on January 12th, 2016. The on-sky observational results show that the solar image is apparently improved in the whole FoV over 1 arcmin with the GLAO correction.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Received:2016/6/11
Accepted:2016/8/19
Posted online:2016/9/19

Get Citation: Lin Kong, Lanqiang Zhang, Lei Zhu, Hua Bao, Youming Guo, Xuejun Rao, Libo Zhong, and Changhui Rao, "Prototype of solar ground layer adaptive optics at the 1 m New Vacuum Solar Telescope," Chin. Opt. Lett. 14(10), 100102(2016)

Note: This work was supported by the National Natural Science Foundation of China (No. 11178004) and the Laboratory Innovation Foundation of the Chinese Academy of Sciences (No. YJ15K007). We are grateful to Prof. Zhong Liu, Zhenyu Jin, and Jun Lin of Yunnan Astronomical Observatory for their help during the system setup and solar observations. Additionally, we benefited a lot from Prof. Wenhan Jiang’s revision and a special acknowledgment should be given to him.



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