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
收藏
页码：2333 / 2336
页数：4
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