Open-loop control of liquid-crystal spatial light modulators for vertical atmospheric turbulence wavefront correction

	Open-loop control of liquid-crystal spatial light modulators for vertical atmospheric turbulence wavefront correction
其他题名	论文其他题名
	Liu C.; Hu L. F.; Mu Q. Q.; Cao Z. L.; Xuan L.
	2011
发表期刊	Applied Optics
ISSN	1559-128X
卷号	50 期号:1 页码:82-89
摘要	We present an open-loop adaptive optics (AO) system based on two liquid-crystal spatial light modulators (LCSLMs) that profit from high precision wavefront generation and good repeatability. A wide optical bandwidth of 300 nm is designed for the system, and a new open-loop optical layout is invented to conveniently switch between the open and closed loop. The corresponding control algorithm is introduced with a loop frequency (the reciprocal of the total time delay of a correction loop) of 103 Hz. The system was mounted onto a 2.16 m telescope for vertical atmospheric turbulence correction. The full width at half-maximum of the image of the star alpha Boo reached 0.636 arc sec after the open-loop correction, while it was 2.12 arc sec before the correction. The result indicates that the open-loop AO system based on LCSLMs potentially has the ability to be used for general astronomical applications. (C) 2010 Optical Society of America
收录类别	SCI
语种	英语
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/24707
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Liu C.,Hu L. F.,Mu Q. Q.,et al. Open-loop control of liquid-crystal spatial light modulators for vertical atmospheric turbulence wavefront correction[J]. Applied Optics,2011,50(1):82-89.
APA	Liu C.,Hu L. F.,Mu Q. Q.,Cao Z. L.,&Xuan L..(2011).Open-loop control of liquid-crystal spatial light modulators for vertical atmospheric turbulence wavefront correction.Applied Optics,50(1),82-89.
MLA	Liu C.,et al."Open-loop control of liquid-crystal spatial light modulators for vertical atmospheric turbulence wavefront correction".Applied Optics 50.1(2011):82-89.

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