Compositional dependence of spectroscopic parameters of Dy3+ ions in Ge-Ga-Se glasses

被引：11
|
作者：
Nemec, P. [1 ]
Frumar, M. [1 ]
机构：
[1] Univ Pardubice, Fac Chem Technol, Dept Gen & Inorgan Chem, Pardubice 53210, Czech Republic
来源：
MATERIALS LETTERS | 2008年 / 62卷 / 17-18期
关键词：
optical materials and properties; rare-earth ions;
D O I：
10.1016/j.matlet.2008.01.048
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Dy3+ doped chalcogenide glasses from Ge-Ga-Se system were prepared and spectroscopic parameters of Dy3+ ions in these glasses were studied on the basis of Judd-Ofelt theory. We have found that the values of Judd-Ofelt intensity parameters Omega(t) (t=2, 4, 6) have maximal values at the GeSe2-Ga2Se3 tie-line. Largest values of spectroscopic parameters of 1.3 mu m Dy3+ transition (F-6(11/2), H-6(9/2) -> H-6(15/2)), localized again at the GeSe2-Ga2Se3 tie-line, confirm the importance of the stoichiometry of amorphous matrix for optical properties of doping rare-earth ions. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：2799 / 2801
页数：3
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