Large angle acceptance of quasi-phase-matched second harmonic generation in a homocentrically poled LiNbO3

被引：16

作者：

Wang, T ^{[1
]}

Ma, BQ ^{[1
]}

Sheng, Y ^{[1
]}

Ni, PG ^{[1
]}

Cheng, BY ^{[1
]}

Zhang, DZ ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Phys, Opt Phys Lab, Beijing 100080, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2005年 / 252卷 / 4-6期

基金：

中国国家自然科学基金;

关键词：

quasi-phase-matching; homocentric semicircles domain structure; large angle acceptance; second-harmonic generation;

D O I：

10.1016/j.optcom.2005.04.019

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A periodically poled LiNbO3 (PPLN) with homocentric semicircle domain structure is prepared, by which a high efficiency second harmonic generation with large angle acceptance is demonstrated. The angle acceptance and conversion efficiency of this PPLN is compared to the PPLN with a strip pattern. In our case the poling period is 26 mu m, and the crystal is 9 mm long. The corresponding angle acceptance is 30 degrees, while that of strip pattern PPLN is 2.36 degrees. The conversion efficiency of PPLN with homocentric semicircle pattern and strip pattern is 36.7% and 33% respectively. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：397 / 401

页数：5

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