Optimization of passively Q-switched and mode-locked laser with Cr4+:YAG saturable absorber

被引：13
|
作者：
Zhao, Jia [1 ]
Zhao, Shengzhi [1 ]
Li, Kang [1 ]
Kong, Fanmin [1 ]
Zhang, Gang [1 ]
机构：
[1] Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2011年 / 284卷 / 06期
基金：
美国国家科学基金会;
关键词：
Optimization; Gaussian spatial distribution; Cr4+:YAG saturable absorber; QML laser; Rate equation and solutions; ND-GDVO4; LASER; PULSE-WIDTH; GREEN LASER; LOCKING;
D O I：
10.1016/j.optcom.2010.11.054
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
By considering the Gaussian spatial distributions of the intracavity photon density and the initial population-inversion density, the coupled rate equations for a diode-pumped passively Q-switched and mode-locked (QML) laser with Cr4+:YAG saturable absorber are given. These coupled rate equations are solved numerically and the key parameters of an optimally coupled passively QML laser are determined for the first time. These key parameters include the parameters of the gain medium, the saturable absorber and the resonator, which can maximize the pulse energy of singly Q-switched envelope. The optimal calculations for a diode-pumped passively QML Nd:GdVO4 laser with Cr4+:YAG saturable absorber are presented to demonstrate the numerical simulation applicable. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：1648 / 1651
页数：4
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