Pulse width reduction in diode-pumped Nd:GdVO4 laser with AO and GaAs double Q-switches

被引：23
|
作者：
Li, GQ [1 ]
Zhao, SZ [1 ]
Yang, KJ [1 ]
Wu, W [1 ]
机构：
[1] Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Peoples R China
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2005年 / 44卷 / 5A期
关键词：
diode-pump; double Q-switches; rate equations; Gaussian spatial distribution; numerical solutions;
D O I：
10.1143/JJAP.44.3017
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
By considering the Gaussian spatial distribution of the intracavity photon density, we introduce the rate equations of a diode-pumped Nd:GdVO4 laser doubly Q-switched by acoustic-optic (AO) modulator and GaAs saturable absorber. These rate equations are solved numerically, and the dependence of pulse width on incident pump power is obtained. Meanwhile, a diode-pumped doubly Q-switched Nd:GdVO4 laser with AO and GaAs is realized. This laser can generate a shorter and more symmetric pulse when compared with purely AO and passive Q-switching. The experimental results are in agreement with the theoretical calculations.
引用
收藏
页码：3017 / 3021
页数：5
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