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Article Dans Une Revue Physical Review B: Condensed Matter and Materials Physics (1998-2015) Année : 2015

Super-Absorption of Acoustic Waves with Bubble Meta-Screens

Résumé

A bubble meta-screen, i.e. a single layer of gas inclusions in a soft solid, can be modeled as an acoustic open resonator, whose behavior is well captured by a simple analytical expression. We show that by tuning the parameters of the meta-screen, acoustic super-absorption can be achieved over a broad frequency range, which is confirmed by finite element simulations and experiments. Bubble meta-screens can thus be used as ultra thin coatings for turning acoustic reflectors into perfect absorbers.
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Dates et versions

hal-01090207 , version 1 (03-12-2014)
hal-01090207 , version 2 (12-01-2015)

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Valentin Leroy, Anatoliy Strybulevych, Maxime Lanoy, Fabrice Lemoult, Arnaud Tourin, et al.. Super-Absorption of Acoustic Waves with Bubble Meta-Screens. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2015, pp.020301(R). ⟨10.1103/PhysRevB.91.020301⟩. ⟨hal-01090207v2⟩
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