Adaptive slab laser beam quality improvement using a weighted least-squares reconstruction algorithm

doi:10.1364/AO.55.003077

	Adaptive slab laser beam quality improvement using a weighted least-squares reconstruction algorithm
	Chen, Shanqiu 1,2,3,4; Dong, LiZhi 1; Chen, XiaoJun 1,3,4; Tan, Yi 1,3; Liu, Wenjin 1,3; Wang, Shuai 1,3; Yang, Ping 1,3; Xu, Bing 1,3; Ye, YuTang 2
Source Publication	APPLIED OPTICS
Volume	55 Issue:11 Pages:3077-3083
	2016-04-10
Language	英语
ISSN	1559-128X
DOI	10.1364/AO.55.003077
Indexed By	SCI
WOS ID	WOS:000373617000036
Subtype	Article
Abstract	Adaptive 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 Keyword	POLYNOMIALS
WOS Research Area	Optics
WOS Subject	Optics
Citation statistics	Cited Times:5[WOS] [WOS Record] [Related Records in WOS]
Document Type	期刊论文
Identifier	http://ir.ioe.ac.cn/handle/181551/3895
Collection	光电技术研究所被WoS收录文章
Affiliation	1.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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