Effect of hydroxyl groups on nonradiative decay of Er3+:4I13/2→4I15/2 transition in zinc tellurite glasses

被引：52

作者：

Dai, SX ^{[1
]}

Zhang, JJ ^{[1
]}

Yu, CL ^{[1
]}

Zhou, G ^{[1
]}

Wang, GN ^{[1
]}

Hu, LL ^{[1
]}

机构：

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

来源：

MATERIALS LETTERS | 2005年 / 59卷 / 18期

基金：

中国国家自然科学基金;

关键词：

erbium; tellurite glass; nonradiative decay; hydroxyl groups;

D O I：

10.1016/j.matlet.2005.02.076

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A series of zinc tellurite glasses of 75TeO(2)-20ZnO-(5-x)La2O3-xEr(2)O(3) (x=0.02, 0.05, and 0.1 mol%) with the different hydroxl groups were prepared by the conventional melt-quenching method. Infrared spectra were measured in order to estimate the exact content of OH- groups in samples. The observed increase of the fluorescence lifetime with the oxygen bubbling time has been related to the reduction in the OH- content concentration as evidenced by IR transmission spectra. Various nonradiative decay rates from I-4(13/2) of Er3+ with. the change of OH content were determined from the fluorescence lifetime and radiative decay rates were calculated on the basis of Judd-Ofelt theory. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：2333 / 2336

页数：4

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