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An updated 37-element low-order solar adaptive optics system for 1-m new vacuum solar telescope at full-shine lake solar observatory
Rao, Changhui1,2; Zhu, Lei1,2; Gu, Naiting1,2; Rao, Xuejun1,2,3; Zhang, Lanqiang1,2; Guan, Chunlin1,2; Chen, Donghong1,2; Chen, Shanqiu1,2; Wang, Cheng1,2; Lin, Jun4; Liu, Zhong4; Rao, C.
Volume8447
Pages844746
2012
Language英语
ISSN0277786X
DOI10.1117/12.924338
Indexed ByEi
Subtype会议论文
AbstractA low-order solar adaptive optics (AO) system, which consists of a fine tracking loop with a tip/tilt mirror and a correlation tracker, and a high-order correction loop with a 37-element deformable mirror, a correlating Shack-Hartmann wavefront sensor and a high-order wavefront correction controller, had been successfully developed and installed at 1-m New Vacuum Solar Telescope of Full-shine Lake (also called Fuxian Lake) Solar Observatory. This system is an update of the 37-element solar AO system designed for the 26-cm Solar Fine Structure Telescope at Yunnan Astronomical Observatory in 2009. The arrangement of subapertures of the Shack-Hartmann wavefront sensor was changed from square to hexagon to achieve better compensation performance. Moreover, the imaging channel of the updated system was designed to observe the Sun at 710nm and 1555nm simultaneously. The AO system was integrated into the solar telescope in 2011, and AO-corrected high resolution sunspots and granulation images were obtained. The observational results show that the contrast and resolution of the solar images are improved evidently after the correction by the AO system. © 2012 SPIE.; A low-order solar adaptive optics (AO) system, which consists of a fine tracking loop with a tip/tilt mirror and a correlation tracker, and a high-order correction loop with a 37-element deformable mirror, a correlating Shack-Hartmann wavefront sensor and a high-order wavefront correction controller, had been successfully developed and installed at 1-m New Vacuum Solar Telescope of Full-shine Lake (also called Fuxian Lake) Solar Observatory. This system is an update of the 37-element solar AO system designed for the 26-cm Solar Fine Structure Telescope at Yunnan Astronomical Observatory in 2009. The arrangement of subapertures of the Shack-Hartmann wavefront sensor was changed from square to hexagon to achieve better compensation performance. Moreover, the imaging channel of the updated system was designed to observe the Sun at 710nm and 1555nm simultaneously. The AO system was integrated into the solar telescope in 2011, and AO-corrected high resolution sunspots and granulation images were obtained. The observational results show that the contrast and resolution of the solar images are improved evidently after the correction by the AO system. © 2012 SPIE.
Conference NameProceedings of SPIE: Adaptive Optics Systems III
Conference Date2012
Citation statistics
Document Type会议论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/7791
Collection自适应光学技术研究室(八室)
Corresponding AuthorRao, C.
Affiliation1. Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, P.O. Box 350, Shuangliu, Chengdu 610209, Sichuan, China
2. Laboratory on Adaptive Optics, Institute of Optics and Electronics, Chinese Academy of Sciences, P.O. Box 350, Shuangliu, Chengdu 610209, Sichuan, China
3. Graduate School of Chinese Academy of Sciences, Beijing 100039, China
4. Yunnan Astronomical Observatory, National Astronomical Observatories, Chinese Academy of Sciences, Phoenix Hill, Kunming 650011, Yunnan, China
Recommended Citation
GB/T 7714
Rao, Changhui,Zhu, Lei,Gu, Naiting,et al. An updated 37-element low-order solar adaptive optics system for 1-m new vacuum solar telescope at full-shine lake solar observatory[C],2012:844746.
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