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3 October 2000 Displacement measurement based on laser Doppler effect
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Proceedings Volume 4220, Advanced Photonic Sensors: Technology and Applications; (2000)
Event: Optics and Optoelectronic Inspection and Control: Techniques, Applications, and Instruments, 2000, Beijing, China
For the first time the displacement remote measurement was realized in this paper, utilizing laser Doppler Effect. The Doppler shift of differential structure was analyzed theoretically. The system of differential optical-acoustic modulating structure, big aperture collecting backward scattering light, and compensating the losing signal by computer tracking software was designed. The displacement measurement of paper and metal at a distance of 10 meters long has been achieved with an accuracy of 0.4%.
© (2000) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Xin Hong, Yuchi Lin, and Meirong Zhao "Displacement measurement based on laser Doppler effect", Proc. SPIE 4220, Advanced Photonic Sensors: Technology and Applications, (3 October 2000);


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