23 May 2013 Visualization of 3D surface acoustic waves in granular media using digital color holography
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Abstract
This paper proposes a full-field and simultaneous method to visualize acoustic waves at the surface of granular media, using a three color digital holographic set-up. Experimental results permit the quantification of the response of the medium to an acoustic excitation, and exhibit propagative longitudinal waves, as well as transverse waves. This new approach also permits the measurement of the influence of a small buried obstacle.
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Mathieu Leclercq, Pascal Picart, Vincent Tournat, Guillaume Penelet, "Visualization of 3D surface acoustic waves in granular media using digital color holography", Proc. SPIE 8792, Optical Methods for Inspection, Characterization, and Imaging of Biomaterials, 879211 (23 May 2013); doi: 10.1117/12.2022552; https://doi.org/10.1117/12.2022552
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