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A New Type Vibration Sensor of Laser Doppler Technology

Chen Changying (Department of Optoelectronic Engineering,Huazhong University of Science and Technology,Wuhan,430074)  
This paper describes a new type of contactless vibration sensor by using of laser Doppler technology.In this paper the basic principle of this sensor is discussed.The structures of the optical system and the electronic system are analyzed.The experimental results and the error source in measurement are also introduced.The paper points out that this kind of vibration measuring device will have a good application prospect.
【Fund】: 湖北省自然科学基金
【CateGory Index】: TP212
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