Raman spectroscopy and the origin of electrooptical Kerr phenomenon in niobium alkali-silicate glasses

被引：60
|
作者：
Lipovskii, AA
Tagantsev, DK
Vetrov, AA
Yanush, OV
机构：
[1] St Petersburg State Tech Univ, St Petersburg 195251, Russia
[2] SI Vavilov State Opt Inst, St Petersburg, Russia
[3] St Petersburg Technol Univ Plant Polymers, St Petersburg 198022, Russia
来源：
OPTICAL MATERIALS | 2003年 / 21卷 / 04期
关键词：
glasses; Raman spectroscopy; Kerr electrooptical phenomenon; crystal motifs;
D O I：
10.1016/S0925-3467(02)00093-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
It is shown that magnitudes of the Kerr coefficient and permittivity of 19Na(2)O-11K(2)O-2B(2)O(3)-2CdO-(66 - x)SiO2-xNb(2)O(5) glasses, where 0 < x < 37, correlate with the content of the Na2O . Nb2O5 groupings, with that content being estimated by Raman scattering data. This allows assigning to these groupings, or to other structural entities containing such groupings (for example, crystal motifs), the responsibility for high-polarizability and Kerr sensitivity of the glasses. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：749 / 757
页数：9
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