Investigation on upconversion luminescence in Er3+/Yb3+ codoped tellurite glasses and fibers

被引：33

作者：

Zhang, JJ ^{[1
]}

Dai, SX ^{[1
]}

Wang, GN ^{[1
]}

Zhang, LY ^{[1
]}

Sun, HT ^{[1
]}

Hu, LL ^{[1
]}

机构：

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

来源：

PHYSICS LETTERS A | 2005年 / 345卷 / 4-6期

基金：

中国国家自然科学基金;

关键词：

upconversion; Er3+/Yb3+ codoped; tellurite glass fibers;

D O I：

10.1016/j.physleta.2005.07.014

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The upconversion properties of Er3+/Yb3+ codoped tellurite glasses and glass fibers with D-shape cladding under 980 mu excitation were investigated. Intense emission bands centered at 531, 546 and 658 nm corresponding to the transitions Er3+: H-2(11/2) -> I-4(15/2) , S-4(3/2) -> I-4(15/2) and F-4(9/2) -> I-4(15/2), respectively, were observed at room temperature. Compared with that in Er3+/Yb3+ codoped tellurite bulk glass, the upconversion luminescence becomes more efficient in the fiber geometry. The dependence of upconversion intensities on fiber geometry and possible upconversion mechanism are discussed and evaluated. The presented Er3+/Yb3+ codoped tellurite fibers with intense upconversion luminescence can be used as potential host materials for upconversion fiber lasers. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：409 / 414

页数：6

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