激光超声检测系统设计  

Design of the laser-ultrasonic detection system

作　　者：王洪水[1] 徐军[1] 孔令剑[1] 李晓峰[1] 徐利国[1] 

机构地区：[1]第二炮兵工程学院基础实验中心,陕西西安710025

出　　处：《红外与激光工程》2007年第z1期522-525,共4页Infrared and Laser Engineering

摘　　要：为了提高对激光超声信号的检测效率,从激光超声的特点和原理出发,引入共焦Fabry-Perot干涉仪,设计了一个激光超声检测系统,通过增加He-Ne激光器稳定电路和共焦Fabry-Perot干涉仪稳定电路,实现激光器温度的稳定和干涉仪腔长的稳定,从而提高激光超声光学检测系统的灵敏度。In order to improve the efficiency of signal detection for laser-ultrasonic,the confocal Fabry-Perot interferometer(CFPI) is introduced,a laser-ultrasonic detection system is designed.The stabilization circuit of He-Ne laser and confocal Fabry-Perot interferometer are added,the temperature and interferometer stabilization are realized,the precision of detection system is improved.

关 键 词：检测系统设计 激光超声 温度控制 腔长稳定性 共焦F-P干涉仪 

分 类 号：TB551[理学—物理]