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Realizing particle population inversion of 2.7 mu m emission in heavy Er3+/ Pr3+co-doped low hydroxyl fluorotellurite glass for mid-infrared laser
Feng, Shaohua1,2; Liu, Chengzhen1,2; Zhu, Jun1,2; Xu, Yantao1,2; Xiao, Xusheng1,2; Guo, Haitao1,2,3
Department先进光电与生物材料研究室
2023-06-15
Source PublicationCERAMICS INTERNATIONAL
ISSN0272-8842;1873-3956
Volume49Issue:12Pages:20372-20380
Contribution Rank1
Abstract

In this work, the population bottleneck of Er3+: 4I11/2 -> 4I13/2 was overcome for the first time in heavy Er3+/Pr3+ co-doped TeO2-BaF2-La2O3-LaF3 (TBLL) low hydroxyl fluorotellurite glasses. Infrared emission spectra and fluorescence lifetime decay curves reveal that Pr3+ ions could deplete the electrons from the Er3+: 4I13/2 level faster than those from the Er3+: 4I11/2 under 980 nm excitation. Specifically, the energy transfer (ET) efficiency of the Er3+: 4I13/2 -> Pr3+: 3F3,4 process (ET1) reached 96.27%, while that of the Er3+: 4I11/2 -> Pr3+: 1G4 process (ET2) is only 2.17% in the Er3+/Pr3+ co-doped glass. Additionally, the energy transfer mechanism of Er3+ and Pr3+ ions was investigated using the Dexter theory, where the energy transfer microscopic parameters CD-A are 13.21 x 10-40 cm6/s and 0.89 x 10-40 cm6/s for the ET1 and ET2 processes, respectively. Finally, a numerical simulations laser model was developed to discuss the laser properties of the Er3+/Pr3+ co-doped TBLL fibers. The simulation results indicate that a 2.7 mu m laser with a maximum output power of 2.26 W and slope efficiency of 13.89% could be achieved when the fiber background loss is reduced to 0.5 dB/m. The above results suggest that the Er3+/Pr3+ co-doped TBLL glass has great potential applications in mid-infrared fiber lasers.

KeywordTellurite glass Low hydroxyl absorption Energy transfer Laser output
DOI10.1016/j.ceramint.2023.03.165
Indexed BySCI
Language英语
WOS IDWOS:000992713400001
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/96479
Collection光子功能材料与器件研究室
Corresponding AuthorLiu, Chengzhen; Guo, Haitao
Affiliation1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Shaanxi, Peoples R China
2.Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
3.Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, Taiyuan 030006, Shanxi, Peoples R China
Recommended Citation
GB/T 7714
Feng, Shaohua,Liu, Chengzhen,Zhu, Jun,et al. Realizing particle population inversion of 2.7 mu m emission in heavy Er3+/ Pr3+co-doped low hydroxyl fluorotellurite glass for mid-infrared laser[J]. CERAMICS INTERNATIONAL,2023,49(12):20372-20380.
APA Feng, Shaohua,Liu, Chengzhen,Zhu, Jun,Xu, Yantao,Xiao, Xusheng,&Guo, Haitao.(2023).Realizing particle population inversion of 2.7 mu m emission in heavy Er3+/ Pr3+co-doped low hydroxyl fluorotellurite glass for mid-infrared laser.CERAMICS INTERNATIONAL,49(12),20372-20380.
MLA Feng, Shaohua,et al."Realizing particle population inversion of 2.7 mu m emission in heavy Er3+/ Pr3+co-doped low hydroxyl fluorotellurite glass for mid-infrared laser".CERAMICS INTERNATIONAL 49.12(2023):20372-20380.
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