Electro-optic and dielectric properties of Hafnium-doped congruent lithium niobate crystals

被引：0
|
作者：
M. Abarkan
M. Aillerie
J. P. Salvestrini
M. D. Fontana
E. P. Kokanyan
机构：
[1] Université Paul Verlaine—Metz and Supélec,Laboratoire Matériaux Optiques, Photonique et Systèmes
[2] National Academy of Sciences of Armenia,Institute for Physical Research
[3] Université Sidi Mohammed Ben Abdallah de Fès,Faculté polydisciplinaire de Taza
来源：
Applied Physics B | 2008年 / 92卷
关键词：
78.20.J; 77.22; 77.84;
D O I：
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学科分类号：
摘要：
We report the optical and dielectric properties in hafnium (Hf)-doped lithium niobate (LN) crystals. We investigated samples of congruent composition with various doping concentration varying from 0 to 8 mol%. The clamped and unclamped values of the electro-optic coefficient r22 of Hf-doped LN and the corresponding dielectric permittivity as well, have been experimentally determined and compared with the results obtained in undoped congruent LN crystals. We show that the electro-optic and dielectric properties are only slightly affected by the introduction of hafnium ions, and therefore Hf-doped LN has the advantage of low photorefractive damage compared with the undoped congruent LN.
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页码：603 / 608
页数：5
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