Prototype of solar ground layer adaptive optics at the 1 m New Vacuum Solar Telescope
Lin Kong 1,2,3Lanqiang Zhang 1,2,*Lei Zhu 1,2Hua Bao 1,2Youming Guo 1,2Xuejun Rao 1,2Libo Zhong 1,2Changhui Rao 1,2
1 The Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu 610209, China
2 The Laboratory on Adaptive Optics, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China
3 University of Chinese Academy of Sciences, Beijing 100049, China
Figures & Tables
Fig. 1. Optical layout of the GLAO system. TM: tilt mirror.
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Fig. 2. Hardware scheme of real-time controller for the GLAO system.
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Fig. 3. Matching arrangement of the DM’s actuators and the subapertures of MD-SHWFS.
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Fig. 4. Five-guide star solar MD-SHWFS arrangement of the GLAO and the corresponding areas in the far field.
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Fig. 5. Sunspot without AO (left) and with GLAO (right) closed loop for active area NOAA 12480 (705.7 at 0.6 nm).
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Fig. 6. Contrast of corresponding areas (a) without AO and (b) with GLAO.
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Fig. 7. Granulation contrast for open loop and GLAO closed loop in a period of time (150 images).
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Lin Kong, Lanqiang Zhang, Lei Zhu, Hua Bao, Youming Guo, Xuejun Rao, Libo Zhong, Changhui Rao. Prototype of solar ground layer adaptive optics at the 1 m New Vacuum Solar Telescope[J]. Chinese Optics Letters, 2016, 14(10): 100102.
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