CURIE TEMPERATURE, BIREFRINGENCE, AND PHASE‐MATCHING TEMPERATURE VARIATIONS IN LiNbO3AS A FUNCTION OF MELT STOICHIOMETRY
作者:
J. G. Bergman,
A. Ashkin,
A. A. Ballman,
J. M. Dziedzic,
H. J. Levinstein,
R. G. Smith,
期刊:
Applied Physics Letters
(AIP Available online 1968)
卷期:
Volume 12,
issue 3
页码: 92-94
ISSN:0003-6951
年代: 1968
DOI:10.1063/1.1651912
出版商: AIP
数据来源: AIP
摘要:
The Curie temperature, birefringence, and phase‐matching temperature of LiNbO3are shown to vary with the stoichiometry of the melt from which the crystals are pulled. The range of melt stoichiometry, indexed by the Li/Nb mole ratio, was varied from 1.20 to 0.80. This Li/Nb variation changes the Curie temperature, refractive index for the extraordinary ray, and the phase‐matching temperature by 120°C,.03, and 320°C respectively. The relevance of these changes are discussed in terms of the susceptibility of LiNbO3to index inhomogeneities.
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