Energy transfer processes and mechanisms in Tm3+ singly doped and Tm3+/Ho3+ codoped tellurite glass

被引：7

作者：

Chen Gan-Xin ^{[1
,2
]}

Zhang Qin-Yuan ^{[1
]}

Zhao Chun ^{[1
]}

Shi Dong-Mei ^{[1
]}

Jiang Zhong-Hong ^{[1
]}

机构：

[1] S China Univ Technol, Minist Educ, Key Lab Specially Funct Mat & Adv Mfg Technol, Inst Opt Commun Mat, Guangzhou 510641, Peoples R China

[2] Hunan Inst Humanities Sci & Technol, Dept Commun & Control Engn, Loudi 417000, Peoples R China

来源：

ACTA PHYSICA SINICA | 2010年 / 59卷 / 02期

基金：

中国国家自然科学基金;

关键词：

energy transfer mechanism; Tm3+ and Ho3+ codoping; tellurite glass; SPECTROSCOPIC PROPERTIES; EMISSION PROPERTIES; IONS; TM-3+; DYNAMICS; CR-3+; (CA;

D O I：

10.7498/aps.59.1321

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Energy transfer processes of Tm3+ singly doped and Tm3+/Ho3+-codoped TeO2-WO3-ZnO glass have been investigated under excitation of 808 nm diode laser and the involved mechanisms are discussed. The microscopic parameters and critical radii are calculated by using Dexter model and their characteristics are analyzed. The Inokuti-Hirayama model improved by Vila et al. is utilized to fit the fluorescence decay curves of Tm3+. The results indicate that there are not only Inokuti-Hirayama-type solution but also localized interaction solution in the energy transfer processes of Tm3+ and Ho3+. Furthermore, the contribution of the localized interaction increases with the increasing of the concentrations of Tm3+ and Ho3+.

引用

页码：1321 / 1327

页数：7

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