Title :
Dynamic coherent backscattering of ultrasonic pulsed waves
Author :
Tourin, Arnaud ; Derode, Arnaud ; Roux, Philippe ; Fink, Mathias
Author_Institution :
CNRS, Paris VII Univ., France
Abstract :
We report the measurements of dynamic transport properties of an acoustic pulsed wave propagating in a strongly disordered 2D medium using dynamic coherent backscattering. The coherent backscattering peaks are recorded with an array of transducers. Both transport speed and diffusion coefficient are determined accurately
Keywords :
ultrasonic propagation; ultrasonic reflection; ultrasonic transducer arrays; ultrasonic velocity; ultrasonic velocity measurement; acoustic pulsed wave; coherent backscattering peaks; diffusion coefficient; dynamic coherent backscattering; dynamic transport properties; strongly disordered 2D medium; transducer arrays; transport speed; ultrasonic pulsed waves; Acoustic measurements; Acoustic pulses; Acoustic scattering; Acoustic waves; Backscatter; Light scattering; Optical scattering; Ultrasonic transducer arrays; Ultrasonic transducers; Ultrasonic variables measurement;
Conference_Titel :
Ultrasonics Symposium, 1997. Proceedings., 1997 IEEE
Conference_Location :
Toronto, Ont.
Print_ISBN :
0-7803-4153-8
DOI :
10.1109/ULTSYM.1997.663131