Induced changes in the refractive index of LiNbO3 crystals through Sc2O3 doping

被引：7
|
作者：
Nevado, R
Camarillo, E
Bravo, D
de Cárcer, IA
Lifante, G
Jaque, F
机构：
[1] Univ Autonoma Madrid, Dept Fis Mat C4, E-28049 Madrid, Spain
[2] Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico
来源：
MATERIALS LETTERS | 2002年 / 52卷 / 1-2期
关键词：
lithium niobate; refractive index; metal impurities;
D O I：
10.1016/S0167-577X(01)00354-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The dependence of the ordinary (n(o)) and extraordinary (n(e)) refractive indices in congruent Sc2O3-doped LiNbO3 crystals are reported. The Sc3+ ion concentrations in the crystals were varied from 0% to 7%. It has been found that n(o) shows a clear singularity for a Sc3+ ion concentration of 3%. The experimental data of n(o) and n(e) are described by a generalised Sellmeier equation, which takes into account different Sc3+ ions sites location in the host matrix. Additionally, the role of the Sc2O3 content in the intrinsic defect distribution in LiNbO3 crystals has been studied by using Cr3+ ions as an EPR probe. (C)2002 Elsevier Science B.V. All rights reserved.
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页码：1 / 4
页数：4
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