Fine calibration of pyramid wavefront sensor

被引：1
|
作者：
Liu, Yong [1 ,2 ]
Mu, Quanquan [1 ]
Cao, Zhaoliang [1 ]
Hu, Lifa [1 ]
Xuan, Li [1 ]
机构：
[1] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, State Key Lab Appl Opt, Changchun 130033, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100000, Peoples R China
来源：
SELECTED PAPERS OF THE PHOTOELECTRONIC TECHNOLOGY COMMITTEE CONFERENCES HELD NOVEMBER 2015 | 2016年 / 9796卷
关键词：
adaptive optics system; pyramid wavefront sensor; liquid crystal spatial light modulator;
D O I：
10.1117/12.2225876
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The pyramid wavefront sensor (PWFS) is a novel sensor, equipped with superiorities in many aspects comparing with Shack-Hartmann wavefront sensor. The optical system of PWFS is more complicated, and relationships among different elements affect the static aberration of the system, which coupling with the turbulence would impact the sensing accuracy of the sensor. Aiming at improving the sensing accuracy, we analyzed the precise calibration of the system and verified the theory through experiments, which enhanced the closed-loop system's ability to correct the static turbulence.
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页数：7
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