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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 8, Iss. 10 — Oct. 1, 2010
  • pp: 966–968

37-element solar adaptive optics for 26-cm solar fine structure telescope at Yunnan Astronomical Observatory

Changhui Rao, Lei Zhu, Xuejun Rao, Chunlin Guan, Donghong Chen, Jun Lin, and Zizhong Liu  »View Author Affiliations


Chinese Optics Letters, Vol. 8, Issue 10, pp. 966-968 (2010)


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Abstract

A 37-element solar adaptive optics (AO) system was built and installed at the 26-cm solar fine structure telescope of Yunnan Astronomical Observatory. The AO system is composed of a fine tracking loop with a tip/tilt mirror and a correlation tracker, a high-order correction loop with a 37-element deformable mirror, a correlating Shack-Hartmann wavefront sensor based on the absolute difference algorithm, and a real time controller. The system was completed on Sep. 28, 2009 and was used to obtain AO-corrected highresolution solar images. The contrast and resolution of the images are clearly improved after wavefront correction by AO. To the best of out knowledge, this system is the first solar AO system in China.

© 2010 Chinese Optics Letters

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(110.1080) Imaging systems : Active or adaptive optics

Citation
Changhui Rao, Lei Zhu, Xuejun Rao, Chunlin Guan, Donghong Chen, Jun Lin, and Zizhong Liu, "37-element solar adaptive optics for 26-cm solar fine structure telescope at Yunnan Astronomical Observatory," Chin. Opt. Lett. 8, 966-968 (2010)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-8-10-966


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