Ground layer adaptive optics system simulation for the 2.5m telescope in Dome A

被引：1
|
作者：
Jia, Peng [2 ]
Zhang, Sijiong [1 ]
机构：
[1] Chinese Acad Sci, Nanjing Inst Astron Opt & Technol, Natl Astron Observ, Nanjing 210042, Jiangsu, Peoples R China
[2] Nanjing Univ, Sch Astron & Space Sci, Nanjing 210093, Jiangsu, Peoples R China
来源：
ADAPTIVE OPTICS SYSTEMS III | 2012年 / 8447卷
关键词：
Antarctic telescope; ground layer adaptive optics; rotation mirror; single laser guide star; ANTARCTICA;
D O I：
10.1117/12.924262
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The Antarctic is an ideal place for optical and infrared astronomy observations. Chinese scientists are planning to build a 2.5m telescope in Dome A. The telescope will be built in a tower about 15 meters high to avoid the ground layer atmospheric turbulence. The Ground layer Adaptive Optics system (GLAO) will also be suggested to be installed to further reduce the seeing. The GLAO system with one laser guide star, one deformable mirror and one wide field Shack-Hartmann wavefront sensor is designed and simulated. The Strehl ratio has increased 2 to 3 times in visible and infrared band in 20 arc min field of view.
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页数：8
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