Concentration quenching in erbium-doped tellurite glasses

被引：148

作者：

Dai, SX ^{[1
]}

Yu, CL ^{[1
]}

Zhou, G ^{[1
]}

Zhang, JJ ^{[1
]}

Wang, GN ^{[1
]}

Hu, LL ^{[1
]}

机构：

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

来源：

JOURNAL OF LUMINESCENCE | 2006年 / 117卷 / 01期

基金：

中国国家自然科学基金;

关键词：

erbium; tellurite; concentration quenching;

D O I：

10.1016/j.jlumin.2005.04.003

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Er2O3-doped TeO2-ZnO-La2O3 modified tellurite glasses were prepared by the conventional melt-quenching method, and the Er3+ : I-4(13/2) -> I-4(15/2) fluorescence properties have been studied for different Er3+ concentrations. Infrared spectra were measured in order to estimate the exact content of OH- groups in samples. Based on the electric dipole-dipole interaction theory, the interaction parameter, C-Er,(Er), for the migration rate of Er3+ : I-4(13/2) -> I-4(13/2) in modified tellurite glass was calculated. Finally, the concentration quenching mechanism using a model based on energy transfer and quenching by hydroxyl (OH-) groups was presented. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：39 / 45

页数：7

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