Efficient second-harmonic generation of a broadband radiation by control of the temperature distribution along a nonlinear crystal

被引：30
|
作者：
Regelskis, K. [1 ]
Zeludevicius, J. [1 ]
Gavrilin, N. [1 ]
Raciukaitis, G. [1 ]
机构：
[1] Ctr Phys Sci & Technol, Dept Laser Technol, Vilnius, Lithuania
来源：
OPTICS EXPRESS | 2012年 / 20卷 / 27期
关键词：
PHASE-MATCHING BANDWIDTH; 2ND HARMONIC-GENERATION; GREEN LASER; PULSES; CONVERSION; LIB3O5; GRATINGS; GRADIENT; MODEL;
D O I：
10.1364/OE.20.028544
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate an efficient technique for the second harmonic generation (SHG) of the broadband radiation based on the temperature gradient along a nonlinear crystal. The characteristics of Type I non-critical phase-matched SHG of broadband radiation in the LiB3O5 (LBO) crystal with the temperature gradient imposed along the crystal were investigated both numerically and experimentally. The frequency doubling efficiency of the broadband pulsed fiber laser radiation as high as 68% has been demonstrated. (C) 2012 Optical Society of America
引用
收藏
页码：28544 / 28556
页数：13
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