Er3+ to glass matrix energy transfer in Ga-Ge-S:Er3+ system

被引：58

作者：

Ivanova, TY ^{[1
]}

Man'shina, AA ^{[1
]}

Kurochkin, AV ^{[1
]}

Tver'yanovich, YS ^{[1
]}

Smirnov, VB ^{[1
]}

机构：

[1] St Petersburg State Univ, Russian Ctr Laser Phys, Petrozavodsk 198504, Russia

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 2002年 / 298卷 / 01期

基金：

俄罗斯基础研究基金会;

关键词：

D O I：

10.1016/S0022-3093(01)01044-4

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Spectroscopic characteristics (spontaneous emission probabilities. radiative lifetimes, oscillator strengths, branching ratios and quantum efficiency) of Er3+ in Ga2S3-GeS2-Er2S3 glassy system are investigated by use of Judd-Ofelt theory. Lifetime measurements S-4(3/2) level of Er3+ in Ga2S3-GeS2-Er2S3 glasses with various Er3+ concentrations and optical gap energy are performed. Estimations of the non-radiative relaxation rate and the multiphonon relaxation rate demonstrate the occurrence of energy transfer from Er3+ ion to the electronic states of the glass matrix. The way of the practical application of this non-radiative energy transfer is suggested. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：7 / 14

页数：8

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