Spectroscopic properties of Er3+-doped germanium bismuthate glass

被引：0

作者：

Zhang Yong ^{[1
]}

Ren Guo-Zhong ^{[1
]}

Yang Qi-Bin ^{[1
]}

Xu Chang-Fu ^{[1
]}

Liu Yun-Xin ^{[1
]}

Shang Zhen-Gang ^{[1
]}

机构：

[1] Xiangtan Univ, Inst Modern Phys, Key Lab Low Dimens Mat & Applicat Technol, Minist Educ, Xiangtan 411105, Peoples R China

来源：

SPECTROSCOPY AND SPECTRAL ANALYSIS | 2008年 / 28卷 / 05期

关键词：

germanium bismuthate glasses; absorption spectrum; fluorescence spectrum; Judd-Ofelt theory;

D O I：

暂无

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Er3+-Doped Germanium Bismuthate Glass was fabricated and characterized. The absorption spectrum and up-conversion spectrum of glass were studied. The Judd-Oflet intensity parameters Omega(t)(t=2, 4, 6), determined based on Judd-Ofelt theory, were found to be Omega(2) = 3. 35 X 10(-20) cm(2), Omega(4) = 1. 34 X 10(-20) cm(2), Omega(6), = 0. 67 X 10(-20) cm(2). Frequency up-conversion of Er3+ doped germanium bismuthate glass has been investigated. The up-conversion mechanisms are discussed under 808 nm and 980 nm excitation. Stimulated emission cross-section of I-4(13/2) -> I-4(15/2) transition was calculated by McCumber theory. Compared to other host glasses, the emission property of Er3+-doped germanium bismuthate glasses has advantage over those of silicate, phosphate and germinate glasses. Er3+-doped germanium bismuth glasses are promising upconversion optical and optic-communication materials.

引用

页码：999 / 1002

页数：4

共 18 条

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