激光超声非接触测量固体材料厚度的实验研究  

An experimental research about detecting the thickness of solid material by untouched measurement with laser ultrasound

作　　者：彭维新[1] 田欣[1] 常军[1] 庄会永[1] 王青圃[2] 张行愚[2] 

机构地区：[1]山东省分析测试中心,山东济南250014 [2]山东大学,山东济南250014

出　　处：《山东科学》2000年第2期44-46,共3页Shandong Science

摘　　要：利用高功率激光脉冲在固体材料中产生超声波这一物理现象 ,研究以非接触方式测量固体材料的厚度 ,通过专门设计的连续激光器探测系统 ,测量出的钢板厚度与实际数据相一致 。The article reports the supersonic phenomenon generated by using high power laser pulsing the solid material,and studies the measurement of solid materials thickness by untouched ways.The author used the special devices of the continuous laser detect system to measure the thickness of steel plate.The data is consistent with the actual ones very well.The theory and experiment basis was provided for the feasibility of developing practical application.

关 键 词：激光诱导 超声波 非接触测量 固体材料 厚度测量 

分 类 号：TH821.1[机械工程—仪器科学与技术] TN249[机械工程—精密仪器及机械]