The influence of Tm3+ to enhance 2.7 μm mid-infrared emission of Er3+ in CaLaGa3O7 crystal
Liu,Yunyun3; Pan,Fei2; Wang,Xihu1; Gao,Ju3
刊名Laser Physics Letters
2021-04-30
卷号18期号:6
关键词Er3+/Tm3+:CaLaGa3O7 spectroscopic characteristics energy transfer mechanisms MIR emission
ISSN号1612-2011
DOI10.1088/1612-202X/abfa8a
通讯作者Liu,Yunyun() ; Gao,Ju()
英文摘要Abstract Er3+/Tm3+:CaLaGa3O7 (abbr. as Er3+/Tm3+:CLGO) crystal was grown successfully by Czochralski technology and detailed spectroscopic analyses were carried out. The effects of Tm3+ on the spectroscopic properties and mutual energy transfer mechanisms were investigated. It is found that the more suitable pumping scheme for laser applications at 2.7 μm laser is 980 nm excitation for Er3+/Tm3+ co-doped CLGO crystal. Under 980 nm excitation, the introductions of Tm3+ are helpful to achieve enhanced mid-infrared (MIR) emissions, as well as reduced near-infrared emissions. Furthermore, the introducing Tm3+ depopulated the lower laser lever through energy transfer and thus reduced the fluorescence lifetime of Er3+?:?4I13/2, without significantly affecting the fluorescence lifetime of the upper laser level Er3+?:?4I11/2, which reduces the self-saturation problem to a great degree. It concludes that this Er3+/Tm3+:CLGO crystal could be a potential MIR gain media for enhanced 2.7 μm laser under 980 nm pumping.
语种英语
WOS记录号IOP:LPL_18_6_065702
内容类型期刊论文
源URL[http://ir.yic.ac.cn/handle/133337/31441]  
专题烟台海岸带研究所_中科院海岸带环境过程与生态修复重点实验室
通讯作者Liu,Yunyun; Gao,Ju
作者单位1.Key Laboratory of Functional Materials and Devices for Informatics of Anhui Educational Institutions, Department of Physics, Fuyang Normal University, Fuyang, Anhui 236037, People’s Republic of China
2.Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, People’s Republic of China
3.School of Opto-Electronic Engineering, Zaozhuang University, Zaozhuang 277160, People’s Republic of China
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GB/T 7714
Liu,Yunyun,Pan,Fei,Wang,Xihu,et al. The influence of Tm3+ to enhance 2.7 μm mid-infrared emission of Er3+ in CaLaGa3O7 crystal[J]. Laser Physics Letters,2021,18(6).
APA Liu,Yunyun,Pan,Fei,Wang,Xihu,&Gao,Ju.(2021).The influence of Tm3+ to enhance 2.7 μm mid-infrared emission of Er3+ in CaLaGa3O7 crystal.Laser Physics Letters,18(6).
MLA Liu,Yunyun,et al."The influence of Tm3+ to enhance 2.7 μm mid-infrared emission of Er3+ in CaLaGa3O7 crystal".Laser Physics Letters 18.6(2021).
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