Radiative and non-radiative energy transfers in Yb3+-doped sesquioxide and garnet laser crystals from a combinatorial approach based on gradient concentration fibers

被引：86

作者：

Boulon, G ^{[1
]}

Laversenne, L ^{[1
]}

Goutaudier, C ^{[1
]}

Guyot, Y ^{[1
]}

Cohen-Adad, MT ^{[1
]}

机构：

[1] Univ Lyon 1, CNRS, UMR 5620, F-69622 Villeurbanne, France

来源：

JOURNAL OF LUMINESCENCE | 2003年 / 102卷

关键词：

YAG; Y2O3 laser crystals; Yb3+ laser ion; radiative lifetime; concentration quenching processes;

D O I：

10.1016/S0022-2313(02)00578-1

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The laser heated pedestal growth (LHPG) method allows us to grow Yb3+-doped oxide single crystal fiber with no Yb segregation. We have choosen Y3Al5O12 (YAG) Yttrium aluminum garnet and Y2O3 yttria sesquioxide as Yb3+- doped host crystals, which are considered to be among the best laser crystals due to unusual combination of favorable properties. A combinatorial chemistry approach has been applied by growing concentration gradient crystal fibers allowing the study of the excited state dynamics by the measurement of two important features in laser crystals: the intrinsic radiative lifetime and the analysis of radiative and non-radiative energy transfers which occur in the Yb3+ concentration quenching processes. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：417 / 425

页数：9

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