A dual-loss-modulated Q-switched and mode-locked Nd:GdVO4 laser with AOM and V3+:YAG saturable absorber at 1.34 μm

被引：3
|
作者：
Zhang, Gang [1 ]
Zhao, Shengzhi [1 ]
Li, Yufei [1 ]
Li, Guiqiu [1 ]
Li, Dechun [1 ]
Yang, Kejian [1 ]
Cheng, Kang [1 ]
机构：
[1] Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Peoples R China
来源：
JOURNAL OF OPTICS | 2011年 / 13卷 / 03期
基金：
美国国家科学基金会;
关键词：
dual-loss-modulation; Q-switched and mode-locked; rate equation; numerical; ND-GDVO4; LASER; ND-YVO4; NDGDVO4; 1.34-MU-M; END; LOCKING; CRYSTAL; FIBER;
D O I：
10.1088/2040-8978/13/3/035202
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Stable and robust pulses can be generated in a diode-pumped Q-switched and mode-locked (QML) c-cut Nd:GdVO4/V3+:YAG laser at 1.34 mu m by inserting an acousto-optic modulator (AOM) into the laser cavity. In this kind of dual-loss-modulation QML laser, the pulse width of the Q-switched pulse envelope has a compression of 68% and the pulse energy has an improvement of seven times compared with that in the solely passively QML laser with V3+:YAG. By considering the influence of the turnoff time and the modulation frequency of the AOM as well as the thermal lens effect, a developed rate equation model for dual-loss-modulation QML lasers is given and the numerical solutions of the rate equations are in good agreement with the experimental results.
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页数：7
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