Output Characteristics of Q-switched Solid-State Lasers Using Intracavity MEMS Micromirrors

被引：12

作者：

Bauer, Ralf ^{[1
]}

Paterson, Alan ^{[1
]}

Clark, Caspar ^{[2
]}

Uttamchandani, Deepak ^{[1
]}

Lubeigt, Walter ^{[1
]}

机构：

[1] Univ Strathclyde, Dept Elect & Elect Engn, Ctr Microsyst & Photon, Glasgow G1 1XW, Lanark, Scotland

[2] Helia Photon Ltd, Livingston EH54 7EJ, Scotland

来源：

IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 2015年 / 21卷 / 01期

关键词：

Solid-state laser; microelectromechanical systems (MEMS); scanning micromirror; active Q-switch; laser dynamics; MIRROR;

D O I：

10.1109/JSTQE.2014.2345700

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The output behavior of a Nd:YAGsolid-state laser actively Q-switched by a MEMS scanning micromirror is presented. Using a gold-coated micromirror, maximum average output powers of 50mWand pulse durations as short as 120 ns were obtained with a dual beam output. This output pattern originates from a pulse emission when the micromirror is at an angle from the cavity axis. The temporal and spatial behavior of this laser was experimentally characterized and then modeled using a numerical simulation of the laser rate equations. Finally, prospects for power scaling this MEMS-based Q-switch technique are demonstrated using a dielectric-coated micromirror, which led to average output powers of up to 650 mW and pulse energies above 40 mu J.

引用

页码：356 / 363

页数：8

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