Q-switching of a fiber laser with a single crystal photo-elastic modulator

被引：22
作者：
Bammer, Ferdinand
Petkovsek, Rok
机构：
[1] Vienna Univ Technol, Inst Forming & High Power Laser Technol, A-1030 Vienna, Austria
[2] Univ Ljubljana, Fac Mech Engn, SI-1000 Ljubljana, Slovenia
来源：
OPTICS EXPRESS | 2007年 / 15卷 / 10期
关键词：
D O I：
10.1364/OE.15.006177
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A study of using a single crystal photo-elastic modulator for active Q-switching of a fiber laser is presented. The modulator, which oscillates in a longitudinal eigenmode, was realized with LiTaO3. This induces due to the photo-elastic effect a modulated artificial birefringence which modulates the polarization of passing light. When used together with a polarizer inside a laser cavity the laser photon life time is strongly modulated and the laser may start to emit laser pulses. We realized this with a fiber laser based on a 5m long double clad Nd-doped fiber. The pulse repetition frequency was 400 kHz and the pulse duration 300ns. (C) 2007 Optical Society of America.
引用
收藏
页码：6177 / 6182
页数：6
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