Improved 2.0 μm luminescence by doping Ce3+ ions in Yb3+, Ho3+:YAG transparent ceramics

被引：0
|
作者：
Pan, Yuxin [1 ,2 ]
Lin, Hui [1 ,2 ]
Hong, Ruijin [1 ,2 ]
Zhang, Dawei [1 ,2 ]
Sun, Haojie [3 ]
机构：
[1] Univ Shanghai Sci & Technol, Engn Res Ctr Opt Instrument & Syst, Minist Educ, Shanghai 200093, Peoples R China
[2] Univ Shanghai Sci & Technol, Shanghai Key Lab Modern Opt & Syst, Shanghai 200093, Peoples R China
[3] Shanghai Publishing & Printing Coll, Shanghai 200093, Peoples R China
来源：
INFRARED PHYSICS & TECHNOLOGY | 2021年 / 118卷
关键词：
Yb2+; Ho2+; Ce2+: YAG transparent ceramic; J-O theory; 2 mu m laser; SPECTROSCOPIC PROPERTIES; LASER; INTENSITIES; CRYSTAL; TEMPERATURE; ABSORPTION; EMISSION; GROWTH;
D O I：
10.1016/j.infrared.2021.103895
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A series of Yb3+, Ho3+, Ce3+:YAG ceramics have been sintered at 1780 degrees C by high temperature solid state reaction under oxygen atmosphere. The absorption spectra, fluorescence spectra and fluorescence decay curve were discussed. The Judd-Ofelt (J-O) theory was applied to obtain the values of Omega(2) = 13.95 x 10(-20) cm(2), Omega(4) = 3.94 x 10(-20) cm(2) and Omega(6) = 0.87 x 10(-20) cm(2), respectively. After doping the Ce3+ ions, the sigma(em) of Yb3+, Ho3+, Ce3+:YAG ceramic at 2094 nm increased from 5.67 x 10(-20) cm(2) to 7.26 x 10(-20) cm(2). These results demonstrate that Yb3+, Ho3+, Ce3+:YAG ceramic could be promising for 2 mu m region.
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页数：9
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