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Proceedings Paper

The pyramid wavefront sensor used in the closed-loop adaptive optics system
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Paper Abstract

Pyramid wavefront sensor is a promising sensor technology based on the beam splitting in the focal plane. Due to its advantages of adjustable gain and variable spatial sampling, the pyramid wavefront sensor has been successfully applied in many large telescopes. In recent years, we have carried out the related research of this sensor. Firstly we studied the adaptive optical closed-loop system based on the liquid crystal spatial light modulator and the pyramid wavefront sensor. Subsequently, the adaptive optical system based on the pyramid wavefront sensor and the deformable mirror is studied in our lab. Currently the experiment on the 1.8-m telescope at Yunnan observatory has been successfully carried out and the high resolution images of the natural stellar star have been obtained. The experiment results are present in this paper.

Paper Details

Date Published: 4 October 2016
PDF: 5 pages
Proc. SPIE 9909, Adaptive Optics Systems V, 99096W (4 October 2016); doi: 10.1117/12.2231944
Show Author Affiliations
Shengqian Wang, Key Lab. on Adaptive Optics (China)
Institute of Optics and Electronics (China)
Kai Wei, Key Lab. on Adaptive Optics (China)
Institute of Optics and Electronics (China)
Wenjia Zheng, Key Lab. on Adaptive Optics (China)
Institute of Optics and Electronics (China)
Changhui Rao, Key Lab. on Adaptive Optics (China)
Institute of Optics and Electronics (China)


Published in SPIE Proceedings Vol. 9909:
Adaptive Optics Systems V
Enrico Marchetti; Laird M. Close; Jean-Pierre Véran, Editor(s)

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