Correlation of large SHG responses with structural characterization in borophosphate niobium glasses

被引：34
作者：
Dussauze, Marc
Fargin, Evelyne
Malakho, Artem
Rodriguez, Vincent
Buffeteau, Thierry
Adamietz, Frederic
机构：
[1] Inst Chim Mat Condensee Bordeaux, UPR 9048, CNRS, F-33608 Pessac, France
[2] Univ Bordeaux 1, Lab Physciochim Mol, UMR 5803, CNRS, F-33405 Talence, France
来源：
OPTICAL MATERIALS | 2006年 / 28卷 / 12期
关键词：
D O I：
10.1016/j.optmat.2005.08.026
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Transparent and homogeneous sodium borophosphate niobiurn glasses with good optical quality were obtained for Nb2O5 proportion up to 50 mol%. Large NLO second-order susceptibilities, up to similar to 5 pm/V for the highest niobium loading, are generated through an efficient thermal poling process which induces a strong space-charge migration of Na+ cations. From combined IR, Raman and thermal analyses, we establish that the observed strong increase Of X(2) responses with niobium concentration is linked to the extent of the niobium-oxygen 3D structure which enhances the third-order susceptibility. (c) 2005 Elsevier B.V. All rights reserved.
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收藏
页码：1417 / 1422
页数：6
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