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Numerical investigation of output beam quality in efficient broadband optical parametric chirped pulse amplification
Liu, Xiao-Di; Xu, Lu; Liang, Xiao-Yan; liangxy@siom.ac.cn
2017
发表期刊Opt. Commun.
卷号383页码:197
摘要We theoretically analyzed output beam quality of broad bandwidth non-collinear optical parametric chirped pulse amplification (NOPCPA) in LiB3O5 (LBO) centered at 800 nm. With a three-dimensional numerical model, the influence of the pump intensity, pump and signal spatial modulations, and the walk-off effect on the OPCPA output beam quality are presented, together with conversion efficiency and the gain spectrum. The pump modulation is a dominant factor that affects the output beam quality. Comparatively, the influence of signal modulation is insignificant. For a low-energy system with small beam sizes, walk-off effect has to be considered. Pump modulation and walk-off effect lead to asymmetric output beam profile with increased modulation. A special pump modulation type is found to optimize output beam quality and efficiency. For a high-energy system with large beam sizes, the walk off effect can be neglected, certain back conversion is beneficial to reduce the output modulation. A trade-off must be made between the output beam quality and the conversion efficiency, especially when the pump modulation is large since. A relatively high conversion efficiency and a low output modulation are both achievable by controlling the pump modulation and intensity. (C) 2016 Elsevier B.V. All rights reserved.
文章类型Article
部门归属强光
DOI10.1016/j.optcom.2016.08.082
资助者National Natural Science Foundation of China [61521093, 61378030] ; National Natural Science Foundation of China [61521093, 61378030] ; National Natural Science Foundation of China [61521093, 61378030] ; National Natural Science Foundation of China [61521093, 61378030]
收录类别SCI
资助者National Natural Science Foundation of China [61521093, 61378030] ; National Natural Science Foundation of China [61521093, 61378030] ; National Natural Science Foundation of China [61521093, 61378030] ; National Natural Science Foundation of China [61521093, 61378030]
WOS记录号WOS:000386870700033
引用统计
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/28675
专题强场激光物理国家重点实验室
通讯作者liangxy@siom.ac.cn
作者单位中国科学院上海光学精密机械研究所
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Liu, Xiao-Di,Xu, Lu,Liang, Xiao-Yan,et al. Numerical investigation of output beam quality in efficient broadband optical parametric chirped pulse amplification[J]. Opt. Commun.,2017,383:197.
APA Liu, Xiao-Di,Xu, Lu,Liang, Xiao-Yan,&liangxy@siom.ac.cn.(2017).Numerical investigation of output beam quality in efficient broadband optical parametric chirped pulse amplification.Opt. Commun.,383,197.
MLA Liu, Xiao-Di,et al."Numerical investigation of output beam quality in efficient broadband optical parametric chirped pulse amplification".Opt. Commun. 383(2017):197.
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