利用透射椭偏仪研究了高温热处理对LiNbO3晶体定向均匀性的影响

2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE) Pub Date : 2012-09-01 DOI:10.1109/OMEE.2012.6464805

A. Aşıkoğlu, M. H. Yükselici, D. Bulut, D. Sugak, I. Solskii, I. Syvorotka, Y. Zhydachevskii, S. Ubizskii, O. Buryy

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引用次数: 0

摘要

采用波长为632.8 nm的激光，用正交透射椭偏仪研究了还原/氧化气氛下1000℃热处理的纯铌酸锂晶体和掺杂铌酸锂晶体。计算了两个正交方向的折射率差。结果表明，双折射随样品热历史的变化而变化。

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The effect of high temperature heat treatment on the directional homogeneity of LiNbO3 crystal studied through transmission ellipsometry

Pure and doped lithium niobate (LiNbO3) crystals heat treated at temperatures up to 1000°C under reduced/oxidized atmospheres were studied through normal incidence transmission ellipsometry in which a laser with a wavelength of 632.8 nm was employed. The differences in refractive indices between two orthogonal directions were calculated. Results show that the birefringence varies depending on thermal history of the samples.

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2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE)

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