Laser-induced preferential domain nucleation in hafnium-doped congruent lithium niobate crystal

被引：6
|
作者：
Hou, Peipei [1 ]
Zhi, Ya'nan [1 ]
Liu, Liren [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Space Laser Commun & Testing Technol, Shanghai 201800, Peoples R China
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2010年 / 99卷 / 01期
基金：
中国国家自然科学基金; 上海市自然科学基金;
关键词：
ULTRAVIOLET-LIGHT; INVERSION; LINBO3; VISUALIZATION; FIELD;
D O I：
10.1007/s00339-009-5520-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The focused visible laser-induced preferential domain nucleation effect is investigated in 3 mol% hafnium-doped congruent lithium niobate crystal. The local phase variation is in-situ monitored during laser-induced preferential domain nucleation. The variations of phase distributions are reconstructed by digital holographic interferometry. The nucleation field decreases exponentially with increasing irradiation intensity. The space charge field along the z direction is thought to be an important mechanism for the laser-induced preferential domain nucleation. Laser-induced hafnium-doped congruent lithium niobate crystals appear to be a promising candidate for further development of ferroelectric domain engineering.
引用
收藏
页码：105 / 109
页数：5
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