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题名:
Piston and tilt cophasing of segmented laser array using Shack-Hartmann sensor
作者: Wang, Xiaohua1,2,3; Fu, Qiang1,2,3; Shen, Feng1,2; Rao, Changhui1,2
刊名: OPTICS EXPRESS
出版日期: 2012-02-13
卷号: 20, 期号:4, 页码:4663-4674
文章类型: Article
英文摘要: We describe a concept of detecting the piston and tilt errors with a Shack-Hartmann sensor and correcting them simultaneously via a segmented deformable mirror (DM) in a two-dimensional laser array. The concept in coherent beam combination (CBC) is demonstrated by both simulation and experiment. The simulative results show only two iterations are enough to correct the random initial phase errors in the steady condition. The experimental results confirm that this method works effectively in a dynamic condition. The study represents that the Shack-Hartmann sensor can extract any piston error in -pi similar to pi, which means the concept is an arbitrary phasing technique for a laser array. (C) 2012 Optical Society of America
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Optics
研究领域[WOS]: Optics
关键词[WOS]: COHERENT BEAM COMBINATION ; HIGH-POWER ; MIRROR ; OPTICS ; ALGORITHM
收录类别: SCI
语种: 英语
WOS记录号: WOS:000301041900129
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/2386
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Chinese Acad Sci, Lab Adapt Opt, Inst Opt & Elect, Chengdu 610209, Peoples R China
2.Chinese Acad Sci, Key Lab Adapt Opt, Chengdu 610209, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Wang, Xiaohua,Fu, Qiang,Shen, Feng,et al. Piston and tilt cophasing of segmented laser array using Shack-Hartmann sensor[J]. OPTICS EXPRESS,2012,20(4):4663-4674.
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