Deformation of acoustically transparent fluid interfaces by the acoustic radiation pressure

Abstract : We experimentally study the deformations of liquid-liquid interfaces induced by a high-intensity focused ultrasonic beam. We quantitatively verify that small-amplitude deformations of a transparent chloroform-water interface are well described by the theory of Langevin acoustic radiation pressure, in both static and dynamic regimes. The large-amplitude deformations depend on the direction of propagation of the beam and are qualitatively similar to those induced by electromagnetic radiation pressure.
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Bruno Issenmann, Alice Nicolas, Régis Wunenburger, Sébastien Manneville, Jean-Pierre Delville. Deformation of acoustically transparent fluid interfaces by the acoustic radiation pressure. EPL - Europhysics Letters, European Physical Society/EDP Sciences/Società Italiana di Fisica/IOP Publishing, 2008, 83 (3), pp.34002. ⟨10.1209/0295-5075/83/34002⟩. ⟨ensl-00526120⟩

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