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Proceedings Paper

Upgrade on 61-element adaptive optical system for 1.2-m telescope of Yunnan Observatory
Author(s): Changhui Rao; Wenhan Jiang; Yudong Zhang; Mei Li; Ning Ling; Xuejun Zhang; Feng Shen; Yanying Li; Chunlin Guan; Donghong Chen; Luchun Zhou; Liao Zhou; Guomao Tang; Caixia Wang
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Paper Abstract

The 61-element adaptive optical system built for the 1.2m telescope of Yannan Observatory for astronomical observation is being upgraded. The Hartmann-Shack wavefront sensor, the tracking system, and the imaging system have been manufactured newly. The wavelengths for the Hartmann-Shack wavefront sensor and the imaging observation range from 400-700nm and 700-1000nm respectively. The arrangement of subapertures is hexagon matched with triangle arrangement of actuators. The detector of Hartmann-Shack sensor is a high-quantum-efficiency CCD with variable frame rate. The tracking system consists of two cascade control loops in order to improve the low-frequency compensation performance. In this paper, the upgrade on 61-element adaptive optical system for 1.2m telescope of Yunnan Observatory will be shown. The preliminary results of the upgraded 61-element adaptive optical system will be presented.

Paper Details

Date Published: 25 October 2004
PDF: 11 pages
Proc. SPIE 5490, Advancements in Adaptive Optics, (25 October 2004); doi: 10.1117/12.549402
Show Author Affiliations
Changhui Rao, Institute of Optics and Electronics, CAS (China)
Wenhan Jiang, Institute of Optics and Electronics, CAS (China)
Yudong Zhang, Institute of Optics and Electronics, CAS (China)
Mei Li, Institute of Optics and Electronics, CAS (China)
Ning Ling, Institute of Optics and Electronics, CAS (China)
Xuejun Zhang, Institute of Optics and Electronics, CAS (China)
Feng Shen, Institute of Optics and Electronics, CAS (China)
Yanying Li, Institute of Optics and Electronics, CAS (China)
Chunlin Guan, Institute of Optics and Electronics, CAS (China)
Donghong Chen, Institute of Optics and Electronics, CAS (China)
Luchun Zhou, Institute of Optics and Electronics, CAS (China)
Liao Zhou, Institute of Optics and Electronics, CAS (China)
Guomao Tang, Institute of Optics and Electronics, CAS (China)
Caixia Wang, Institute of Optics and Electronics, CAS (China)


Published in SPIE Proceedings Vol. 5490:
Advancements in Adaptive Optics
Domenico Bonaccini Calia; Brent L. Ellerbroek; Roberto Ragazzoni, Editor(s)

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