基于迈克耳孙干涉仪的激光多普勒实验仪及其实验  

Laser Doppler experiment instrument based on Michelson interferometer and its application

作　　者：张淼[1] 唐芳[1] 李华[1] 

机构地区：[1]北京航空航天大学理学院物理实验中心,北京100083

出　　处：《物理实验》2007年第4期9-12,共4页Physics Experimentation

摘　　要：通过对迈克耳孙干涉仪动镜的改装和机械加工,设计了激光多普勒效应实验装置.使用该装置可以监测弱振动,测量谐振动的振幅、扬声器的灵敏性能常量,也可以测量低速运动物体的运动速度.通过示波器观察光拍现象,可以帮助学生更好地理解多普勒效应,了解激光多普勒效应的应用.Based on Michelson interferometer, the laser Doppler effect experiment instrument is designed. The movable mirror of Michelson interferometer is changed in order that it can vibrate or move at a constant speed. With the help of it, the weak vibration is measured, such as the amplitude of resonant vibration, the sensibility constant of speaker and the low velocity of object. Through observing the light beat on oscilloscope, the student can understand the laser Doppler effect and its application.

关 键 词：激光多普勒效应 频移 光拍 迈克耳孙干涉仪 

分 类 号：O436[机械工程—光学工程] TB93[理学—光学]