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Adaptive slab laser beam quality improvement using a weighted least-squares reconstruction algorithm
Chen, Shanqiu1,2,3,4; Dong, LiZhi1; Chen, XiaoJun1,3,4; Tan, Yi1,3; Liu, Wenjin1,3; Wang, Shuai1,3; Yang, Ping1,3; Xu, Bing1,3; Ye, YuTang2
Source PublicationAPPLIED OPTICS
Volume55Issue:11Pages:3077-3083
2016-04-10
Language英语
ISSN1559-128X
DOI10.1364/AO.55.003077
Indexed BySCI
WOS IDWOS:000373617000036
SubtypeArticle
AbstractAdaptive optics is an important technology for improving beam quality in solid-state slab lasers. However, there are uncorrectable aberrations in partial areas of the beam. In the criterion of the conventional least-squares reconstruction method, it makes the zones with small aberrations nonsensitive and hinders this zone from being further corrected. In this paper, a weighted least-squares reconstruction method is proposed to improve the relative sensitivity of zones with small aberrations and to further improve beam quality. Relatively small weights are applied to the zones with large residual aberrations. Comparisons of results show that peak intensity in the far field improved from 1242 analog digital units (ADU) to 2248 ADU, and beam quality beta improved from 2.5 to 2.0. This indicates the weighted least-squares method has better performance than the least-squares reconstruction method when there are large zonal uncorrectable aberrations in the slab laser system. (C) 2016 Optical Society of America
WOS KeywordPOLYNOMIALS
WOS Research AreaOptics
WOS SubjectOptics
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/3895
Collection光电技术研究所被WoS收录文章
Affiliation1.Chinese Acad Sci, Key Lab Adapt Opt, Chengdu 610209, Peoples R China
2.Univ Elect Sci & Technol China, Sch Optoelect Informat, Chengdu 611731, Peoples R China
3.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China
4.Univ Chinese Acad Sci, Beijing 10094, Peoples R China
Recommended Citation
GB/T 7714
Chen, Shanqiu,Dong, LiZhi,Chen, XiaoJun,et al. Adaptive slab laser beam quality improvement using a weighted least-squares reconstruction algorithm[J]. APPLIED OPTICS,2016,55(11):3077-3083.
APA Chen, Shanqiu.,Dong, LiZhi.,Chen, XiaoJun.,Tan, Yi.,Liu, Wenjin.,...&Ye, YuTang.(2016).Adaptive slab laser beam quality improvement using a weighted least-squares reconstruction algorithm.APPLIED OPTICS,55(11),3077-3083.
MLA Chen, Shanqiu,et al."Adaptive slab laser beam quality improvement using a weighted least-squares reconstruction algorithm".APPLIED OPTICS 55.11(2016):3077-3083.
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