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Highly efficient CW laser operation in 4 at. % Tm3+ and 4 at. % Y3+ codoped CaF2 crystals
Guo, Xinsheng1; Wu, Qinghui1; Guo, Linyang2; Ma, Fengkai1; Tang, Fei1; Zhang, Cheng3; Liu, Jie3; Mei, Bingchu; Su, Liangbi1,4
2018
Source PublicationCHINESE OPTICS LETTERS
ISSN1671-7694
Volume16Issue:5
AbstractTm:CaF2 and Tm,Y:CaF2 single crystals were prepared by the temperature gradient technique. The spectral properties of Tm,Y:CaF2 single crystals were investigated and compared with those of Tm:CaF2. It was demonstrated that codoping with Y3+ ions could efficiently improve the spectroscopic properties. Tm,Y:CaF2 crystals have larger absorption cross-sections at the pumping wavelength, larger mid-infrared stimulated emission cross-sections, and much longer fluorescence lifetimes of the upper laser level (Tm3+: H-3(4) level) than Tm:CaF2 crystals. Continuous-wave (CW) lasers around 1.97 mu m were demonstrated in 4.0 at. % Tm,4.0 at. % Y:CaF2 single crystals under 792 nm laser diode (LD) pumping. The best laser performance has been demonstrated with a low threshold of 0.368 W, a high slope efficiency of 54.8%, and a maximum output power of 1.013 W.
Subject AreaOptics
MOST Discipline CatalogueOptics
Funding OrganizationThis work was financially supported by the National Natural Science Foundation of China (Nos. 61422511, 61635012, and 51432007) and the Strategic Priority Program of the Chinese Academy of Sciences (No. XDB16030000). ; This work was financially supported by the National Natural Science Foundation of China (Nos. 61422511, 61635012, and 51432007) and the Strategic Priority Program of the Chinese Academy of Sciences (No. XDB16030000).
DOI10.3788/COL201816.051401
Funding OrganizationThis work was financially supported by the National Natural Science Foundation of China (Nos. 61422511, 61635012, and 51432007) and the Strategic Priority Program of the Chinese Academy of Sciences (No. XDB16030000). ; This work was financially supported by the National Natural Science Foundation of China (Nos. 61422511, 61635012, and 51432007) and the Strategic Priority Program of the Chinese Academy of Sciences (No. XDB16030000).
WOS Subject2 MU-M ; SINGLE-CRYSTALS ; PERFORMANCE ; CERAMICS ; PULSES ; YAG
WOS IDWOS:000431892300013
PublisherCHINESE LASER PRESS
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/24923
Collection中国科学院上海硅酸盐研究所
Affiliation1.Wuhan Univ Technol, Sch Mat Sci & Engn, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China
2.Chinese Acad Sci, Shanghai Inst Ceram, Key Lab Transparent & Optofunct Inorgan Mat, Synthet Single Crystal Res Ctr, Shanghai 201899, Peoples R China
3.Changchun Univ Sci & Technol, State Key Lab High Power Semicond Lasers, Changchun 130022, Peoples R China
4.Shandong Normal Univ, Coll Phys & Elect, Shandong Prov Key Lab Opt & Photon Device, Jinan 250014, Shandong, Peoples R China
5.Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 201899, Peoples R China
Recommended Citation
GB/T 7714
Guo, Xinsheng,Wu, Qinghui,Guo, Linyang,et al. Highly efficient CW laser operation in 4 at. % Tm3+ and 4 at. % Y3+ codoped CaF2 crystals[J]. CHINESE OPTICS LETTERS,2018,16(5).
APA Guo, Xinsheng.,Wu, Qinghui.,Guo, Linyang.,Ma, Fengkai.,Tang, Fei.,...&Su, Liangbi.(2018).Highly efficient CW laser operation in 4 at. % Tm3+ and 4 at. % Y3+ codoped CaF2 crystals.CHINESE OPTICS LETTERS,16(5).
MLA Guo, Xinsheng,et al."Highly efficient CW laser operation in 4 at. % Tm3+ and 4 at. % Y3+ codoped CaF2 crystals".CHINESE OPTICS LETTERS 16.5(2018).
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