Study of electro-optic Q-switched Nd:YVO4 laser with a wedge angle - 文章详情页

作者：

Zhang, Yunshen (Zhang, Yunshen.) | Chen, Meng (Chen, Meng.) | Pang, Qingsheng (Pang, Qingsheng.) | Chang, Liang (Chang, Liang.) | Li, Gang (Li, Gang.) (学者：李港)

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摘要：

A　design　to　realize　electro-optic　Q-switch　in　Nd:YVO4　laser　without　polarizer　is　presented,　in　which　a　Nd:YVO4　crystal　with　a　wedge　angle　is　used　by　analyzing　the　polarization　of　natural　birefringent　crystal.　This　design　has　the　advantages　of　simplifying　cavity　components,　shortening　cavity　length,　and　reducing　cavity　loss,　and　can　obtain　higher　power　and　narrower　pulse　width.　Voltage-decreased　Q-switching　is　realized　by　using　a　La3Ga5SiO14　crystal　and　a　Nd:YVO4　crystal　with　the　size　of　3　mm　×　3　mm　×　5　mm,　10°　wedge　angle.　2.2　W　average　power,　6.3　ns　pulse　width,　optical-to-optical　efficiency　of　39.2%,　and　more　than　300　kW　peak　power　are　obtained　when　the　repetition　rate　is　1　kHz.

关键词：

Gallium compounds Lanthanum compounds Lasers Light polarization Neodymium compounds Pulse repetition rate Q switching Silicon compounds Vanadium compounds Yttrium compounds

作者机构：

[ 1 ] [Zhang, Yunshen]College of Laser Engineering, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Chen, Meng]College of Laser Engineering, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Pang, Qingsheng]College of Laser Engineering, Beijing University of Technology, Beijing 100124, China
[ 4 ] [Chang, Liang]College of Laser Engineering, Beijing University of Technology, Beijing 100124, China
[ 5 ] [Li, Gang]College of Laser Engineering, Beijing University of Technology, Beijing 100124, China

通讯作者信息：

电子邮件地址：

chenmeng@bjut.edu.cn

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