Dependence of the Yb3+ emission cross section and lifetime on temperature and concentration in yttrium aluminum garnet

被引：259

作者：

Dong, J ^{[1
]}

Bass, M

Mao, YL

Deng, PZ

Gan, FX

机构：

[1] Univ Cent Florida, Sch Opt, Orlando, FL 32816 USA

[2] Univ Cent Florida, Ctr Res & Educ Opt & Lasers, Orlando, FL 32816 USA

[3] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2003年 / 20卷 / 09期

关键词：

D O I：

10.1364/JOSAB.20.001975

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Measurements are reported of the spectroscopic properties (absorption and emission spectra, stimulated-emission cross section, and radiative lifetime) of (YbxY1-x)(3)Al5O12 for nominal x values of 0.025, 0.05, 0.1, 0.2 and 0.3 at temperatures of 15-300 K. The emission cross sections of Yb:YAG with different Yb 31 concentrations were determined by use of the Fuchtbauer-Ladenburg formula and the reciprocity method. At low temperatures, the product (sigmatau) of the effective stimulated-emission cross section and the radiative lifetime is greater than at room temperature for all concentrations. Product sigmatau is nearly independent of Yb3+ concentration at a given temperature. These results will aid in the design of high-power thin disk lasers by use of highly doped Yb:YAG. (C) 2003 Optical Society of America.

引用

页码：1975 / 1979

页数：5

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