Reabsorption cross section of Nd3+-doped quasi-three-level lasers

doi:10.1038/s41598-019-42012-4

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	Reabsorption cross section of Nd3+-doped quasi-three-level lasers
	F.Chen; J.J.Sun; R.P.Yan; X.Yu
	2019
发表期刊	Scientific Reports
ISSN	2045-2322
卷号	9 页码:8
摘要	The F-4(3/2) -> I-4(9/2) laser transition of Nd3+-doped crystals emitting at 900 nm is a standard quasi-three-level laser system. The reabsorption effect is one of the factors that restricts laser output power. Based on rate equations, a theoretical model considering the reabsorption effect for continuous-wave Nd3+-doped quasi-three-level lasers is established. The simulation results indicate that the reabsorption effect should be restrained to improve laser characteristics, which are mainly influenced by the Nd3+-doping concentration, laser medium length, pumping beam divergence angle and output mirror transmissivity. The optimal experimental results illustrate the availability of a theoretical model that considers the reabsorption effect. To quantitatively evaluate the reabsorption effect of a Nd3+ -doped laser medium, a reabsorption cross section is proposed for the first time to the best of our knowledge. Comparing the experimental results and theoretical calculation results, the reabsorption cross section is estimated for a 912-nm Nd:GdVO4 laser, 914-nm Nd:YVO4 laser and 946-nm Nd:YAG laser.
关键词	continuous-wave,nd,operation,efficient,ndgdvo4,power,transitions,Science & Technology - Other Topics
DOI	10.1038/s41598-019-42012-4
URL	查看原文
收录类别	SCI
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/63462
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	F.Chen,J.J.Sun,R.P.Yan,et al. Reabsorption cross section of Nd3+-doped quasi-three-level lasers[J]. Scientific Reports,2019,9:8.
APA	F.Chen,J.J.Sun,R.P.Yan,&X.Yu.(2019).Reabsorption cross section of Nd3+-doped quasi-three-level lasers.Scientific Reports,9,8.
MLA	F.Chen,et al."Reabsorption cross section of Nd3+-doped quasi-three-level lasers".Scientific Reports 9(2019):8.

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