Control of the pulse width in a diode-pumped passively Q-switched Nd:YVO4/KTP green laser with GaAs saturable absorber

被引：3
|
作者：
Li, G [1 ]
Zhao, S [1 ]
Yang, K [1 ]
Liu, J [1 ]
机构：
[1] Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Peoples R China
来源：
OPTICAL AND QUANTUM ELECTRONICS | 2005年 / 37卷 / 07期
关键词：
GaAs; Gaussian spatial distribution; passively Q-switched; pulse width; rate equations;
D O I：
10.1007/s11082-005-3957-3
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
By varying the positions of the saturable absorber in the laser axis and the pump beam waist in the gain medium, respectively, we have theoretically and experimentally studied the control of the pulse width in a diode-pumped passively Q-switched Nd:YVO4/KTP green laser with GaAs saturable absorber. A rate equation model is introduced, in which the intracavity photon density is assumed to be Gaussian spatial distribution, the longitudinal variation of the intracavity photon density and the pump beam spatial distribution are also considered. The experimental results are consistent with the numerical calculations of the rate equations.
引用
收藏
页码：635 / 647
页数：13
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