Impact of tellurite-based glass structure on Raman gain

被引：31
|
作者：
Guery, Guillaume [1 ,2 ,3 ]
Fargues, Alexandre [1 ]
Cardinal, Thierry [1 ]
Dussauze, Marc [2 ]
Adamietz, Frederic [2 ]
Rodriguez, Vincent [2 ]
Musgraves, John David [3 ]
Richardson, Kathleen [3 ]
Thomas, Philippe [4 ]
机构：
[1] Univ Bordeaux, CNRS, ICMCB, F-33608 Pessac, France
[2] Univ Bordeaux, UMR 5255, Inst Sci Mol, CNRS, F-33405 Talence, France
[3] Clemson Univ, COMSET, Sch Mat Sci & Engn, Clemson, SC 29634 USA
[4] CNRS, Ctr Europeen Ceram, UMR 6638, Lab Sci Proc Ceram & Traitements Surface, F-87068 Limoges, France
来源：
CHEMICAL PHYSICS LETTERS | 2012年 / 554卷
基金：
美国国家科学基金会;
关键词：
TEO2-BASED GLASSES; OPTICAL-FIBERS; METAL OXIDES; TL GLASSES; SCATTERING; TEO2; PARATELLURITE; COEFFICIENTS; PROPERTY; TA2O5;
D O I：
10.1016/j.cplett.2012.10.023
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Raman gain efficiency and structure of tellurite glasses in the TeO2-TaO5/2-ZnO system have been investigated by Raman and IR spectroscopies. It has been found that replacement of TaO5/2 by ZnO does not significantly modify the respective proportion of TeO4, TeO3 and TeO3+1 entities but induces an important decrease of the TeO4 structural units Raman cross section. Change of the glass structure at the middle range length scale is proposed to be at the origin of the large decrease of the Raman cross section of the TeO4 units. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：123 / 127
页数：5
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