用于运动会安防工程的小型激光器的研制  

Miniature solid-state laser used in games defense system

作　　者：段宇程[1] 高中楠[1] 杨慧珠[1] 

机构地区：[1]华北光电技术研究所,北京100015

出　　处：《激光与红外》2012年第8期887-889,共3页Laser & Infrared

摘　　要：介绍了一种在大型运动会安保工程使用的一种小型化无水冷激光器,激光器采用Cr4+∶YAG作为被动Q开关,在重复频率2 Hz情况下可获得20～38 mJ的输出能量。为改善激光器的性能如稳定性和可靠性,激光工作物质采用了Nd∶Ce∶YAG键合晶体,并且使用角锥棱镜作为谐振腔的高反镜。在夏天炎热天气条件下,近50台激光器工作稳定可靠。The paper introduces a kind of miniature laser which is used in Large Games defense system in Beijing.The laser is free of cooling water and uses Cr4＋∶ YAG as passively Q-switch.Its repetition is 2 Hz and output energy is 20~38 mJ.In order to improve the stability and reliability,Nd∶ Ce∶ YAG bonded crystal is used as active medium and a pyramid prism is used as the high reflector of the resonator.All of the 50 lasers worked well in the project in spite of the blighted outdoor operation environment in summer.

关 键 词：运动会安防系统 键合晶体 小型激光器 

分 类 号：TN248.1[电子电信—物理电子学]