Title :
Sound field measurement through the acousto-optic effect of air by using laser Doppler velocimeter
Author_Institution :
Precision & Intelligence Lab., Tokyo Inst. of Technol., Yokohama, Japan
Abstract :
Sound pressure was measured by a laser Doppler velocimeter through the acousto-optic effect of air. First, the author deduced the acousto-optic coefficient of air. Then, quantitative measurements based on the theory were demonstrated for ultrasound.
Keywords :
Doppler measurement; acoustic field; acoustic intensity measurement; acousto-optical effects; air; laser velocimeters; ultrasonic measurement; acousto-optic coefficient; air acousto-optic effect; high intensity ultrasound; laser Doppler velocimeter; optical refractive index modulation; sound field measurement; Acoustooptic effects; Laser beams; Laser theory; Optical modulation; Optical refraction; Optical sensors; Optical variables control; Pressure measurement; Refractive index; Ultrasonic variables measurement;
Conference_Titel :
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
Conference_Location :
Chiba, Japan
Print_ISBN :
0-7803-6738-3
DOI :
10.1109/CLEOPR.2001.967773
