光栅横向位移遥测传感器  

A Transducer for Lateral Remote Displacement Measurement Based on Grating Laser Doppler Effect

作　　者：杨鑫[1] 郭尚旗[1] 张国雄[1] 蒋诚志[1] 

机构地区：[1]天津大学精密仪器与光电子工程学院

出　　处：《光学精密工程》1999年第1期85-92,共8页Optics and Precision Engineering

基　　金：国家自然科学基金

摘　　要：介绍了一种光栅横向位移遥测传感器，被测位移和光束方向垂直。该系统利用激光光栅的多普勒效应进行测量，采用差动光路结构。理论计算和实验表明，此系统测量范围大、信号质量好、分辨率和测量精度高，并具有很大的景深范围，可应用于具体生产环境中的位移遥测。A transducer for lateral remote displacement measurement based on grating laser Doppler effect is introduced.The direction of movement is allowed to be perpendicular to the bisector laser beams.The measuring principle of this system is based on grating Doppler effect.A differential optical sturcture is accepted.The results of experiments and theorectical analysis show that this system gives wide measurement range,high quality signals with high resolution and accuracy,and wide range of focal depth.All of these make it very useful in the practice.

关 键 词：光栅 多普勒效应 横向位移 测量 遥测 传感器 

分 类 号：TP732[自动化与计算机技术—检测技术与自动化装置]