Enhancement of stability and efficiency of a nonlinear mirror mode-locked Nd:YVO4 oscillator by an active Q-switch

被引：76
作者：
Datta, PK [1 ]
Mukhopadhyay, S
Das, SK
Tartara, L
Agnesi, A
Degiorgio, V
机构：
[1] Indian Inst Technol, Dept Phys & Meteorol, Kharagpur 721302, W Bengal, India
[2] Univ Pavia, Ist Nazl Fis Mat, I-27100 Pavia, Italy
[3] Univ Pavia, Dipartimento Elettron, I-27100 Pavia, Italy
来源：
OPTICS EXPRESS | 2004年 / 12卷 / 17期
关键词：
D O I：
10.1364/OPEX.12.004041
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The stability and the peak power of a nonlinear-mirror mode-locked Nd:YVO4 laser are significantly increased by the insertion of an acousto-optic modulator inside the laser cavity. The repetition rate for reliable operation can be varied in the range 35 kHz - 50 kHz. The laser generates the most intense and stable mode-locked pulses of width 9 ps lying underneath a Q-switched envelope of width 110 ns with a Q-switch modulation frequency of 38 kHz. For 10 W of pump power, a 224 times enhancement of peak power over that of cw mode-locking is obtained under reliable Q-switched and mode-locked operation. (C) 2004 Optical Society of America.
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页码：4041 / 4046
页数：6
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