Diode-pumped doubly passively Q-switched Cr,Nd:YAG/KTP green laser with GaAs saturable absorber

被引：10
|
作者：
Li, Guiqiu [1 ]
Zhao, Shengzhi [1 ]
Yang, Kejian [1 ]
Li, Dechun [1 ]
Yang, Hongzhi [1 ]
机构：
[1] Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Peoples R China
来源：
OPTICS EXPRESS | 2006年 / 14卷 / 11期
关键词：
D O I：
10.1364/OE.14.004713
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A diode-pumped doubly passively Q-switched Cr, Nd: YAG/KTP green laser with GaAs saturable absorber is realized for the first time to our knowledge. This laser can generate a more symmetric and shorter pulse when compared with the self-Q-switched Cr, Nd: YAG/KTP green laser. A symmetry factor is defined to describe the temporal symmetry of the pulses. At an incident pump power of 4.1W, a pulse symmetry factor as high as 0.995 is obtained. A rate equation model is introduced to theoretically analyze the results obtained in the experiment, in which the spatial distributions of the intracavity photon density, the pump beam and the population-inversion density are taken into account. The numerical solutions of the rate equations are in good agreement with the experimental results. (c) 2006 Optical Society of America.
引用
收藏
页码：4713 / 4720
页数：8
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