Refractive index modulation in periodically poled MgO-doped congruent LiNbO3 crystal

被引：14
|
作者：
Chen, Yunlin [1 ]
Zhan, He [2 ]
Zhou, Bo [2 ]
机构：
[1] Beijing Jiaotong Univ, Sch Sci, Dept Phys, Beijing 100044, Peoples R China
[2] Nankai Univ, Inst Phys, Tianjin 300071, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2008年 / 93卷 / 22期
基金：
中国国家自然科学基金;
关键词：
lithium compounds; magnesium compounds; refractive index;
D O I：
10.1063/1.3042100
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
An optical diffraction method is exploited to characterize periodically poled MgO-doped congruent LiNbO(3) crystal fabricated by electric induced technique. The optical diffraction patterns indicate that the refractive index changes occur in periodic domain structures. Light diffraction from this type of refractive index modulation is simulated, thus providing an effective and nondestructive technique to determine the refractive index changes and domain structures. From the normalized diffraction intensity, we estimate the refractive index change to be in the magnitude of 10(-5).
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页数：3
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