Ferroelectric domain inversion in near-stoichiometric lithium niobate for high efficiency blue light generation

被引：13

作者：

Chen, YL ^{[1
]}

Xu, JJ ^{[1
]}

Zhang, XZ ^{[1
]}

Kong, YF ^{[1
]}

Chen, XJ ^{[1
]}

Zhang, GY ^{[1
]}

机构：

[1] Nankai Univ, Coll Phys Sci, Photon Res Ctr, Tianjin 300071, Peoples R China

来源：

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2002年 / 74卷 / 02期

关键词：

D O I：

10.1007/s003390100855

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

LiNbO3 single crystals with a composition close to stoichiometry ([Li]/[Li+Nb]=0.496), 16 mm in diameter and 40 mm in length were grown by the Czochralski method using K2O flux. The domain reversal characteristics of near-stoichiometric LiNbO3 single crystals were investigated. The switching field required for 180degrees ferroelectric domain reversal in the near-stoichiometric crystal at room temperature was 7.5 KV/mm. This is about one third of the switching field required for conventional LiNbO3 crystals. Domain reversal (180degrees) in near-stoichiometric LiNbO3 samples of 1.0 mm thickness has been achieved. Samples have been evaluated by second harmonic generation and conversion efficiencies of up to 32% have been obtained.

引用

页码：187 / 190

页数：4

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