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Generation of dark hollow beam via coherent combination based on adaptive optics
Zheng, Yi1,2,3; Wang, Xiaohua1,2,3; Shen, Feng1,2; Li, Xinyang1,2
Source PublicationOPTICS EXPRESS
Volume18Issue:26Pages:26946-26958
2010-12-20
Language英语
Indexed BySCI
WOS IDWOS:000285584200001
SubtypeArticle
AbstractA novel method for generating a dark hollow beam (DHB) is proposed and studied both theoretically and experimentally. A coherent combination technique for laser arrays is implemented based on adaptive optics (AO). A beam arraying structure and an active segmented mirror are designed and described. Piston errors are extracted by a zero-order interference detection system with the help of a custom-made photo-detectors array. An algorithm called the extremum approach is adopted to calculate feedback control signals. A dynamic piston error is imported by LiNbO3 to test the capability of the AO servo. In a closed loop the stable and clear DHB is obtained. The experimental results confirm the feasibility of the concept. (C)2010 Optical Society of America
WOS KeywordLASER-BEAM ; FIBER AMPLIFIERS ; HIGH-POWER ; ARRAYS ; PROPAGATION ; TURBULENCE ; VORTEX
WOS Research AreaOptics
WOS SubjectOptics
Citation statistics
Cited Times:28[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/3361
Collection光电技术研究所被WoS收录文章
Affiliation1.Chinese Acad Sci, Lab Adapt Opt, Inst Opt & Elect, Chengdu 610209, Sichuan, Peoples R China
2.Chinese Acad Sci, Key Lab Adapt Opt, Chengdu 610209, Sichuan, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Zheng, Yi,Wang, Xiaohua,Shen, Feng,et al. Generation of dark hollow beam via coherent combination based on adaptive optics[J]. OPTICS EXPRESS,2010,18(26):26946-26958.
APA Zheng, Yi,Wang, Xiaohua,Shen, Feng,&Li, Xinyang.(2010).Generation of dark hollow beam via coherent combination based on adaptive optics.OPTICS EXPRESS,18(26),26946-26958.
MLA Zheng, Yi,et al."Generation of dark hollow beam via coherent combination based on adaptive optics".OPTICS EXPRESS 18.26(2010):26946-26958.
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