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Article dans une revue

Acoustic radiation pressure for nonreciprocal transmission and switch effects

Abstract : Systems capable of breaking wave transmission reciprocity have recently led to tremendous developments in wave physics. We report herein on a concept that enables one-way transmission of ultrasounds, an acoustic diode, by relying on the radiation pressure effect. This effect makes it possible to reconfigure a multilayer system by significantly deforming a water-air interface. Such a reconfiguration is then used to achieve an efficient acoustic transmission in a specified direction of propagation but not in the opposite, hence resulting in a highly nonreciprocal transmission. The corresponding concept is experimentally demonstrated using an aluminum-water-air-aluminum multilayer system, providing the means to overcome key limitations of current nonreciprocal acoustic devices. We also demonstrate that this diode functionality can even be extended to the design and operations of an acoustic switch, thus paving the way for new wave control possibilities, such as those based on acoustic transistors, phonon computing and amplitude-dependent filters.
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https://hal.archives-ouvertes.fr/hal-02193440
Contributeur : Thibaut Devaux <>
Soumis le : mercredi 24 juillet 2019 - 14:40:51
Dernière modification le : vendredi 22 janvier 2021 - 11:55:39

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Thibaut Devaux, Alejandro Cebrecos, Olivier Richoux, Vincent Pagneux, Vincent Tournat. Acoustic radiation pressure for nonreciprocal transmission and switch effects. Nature Communications, Nature Publishing Group, 2019, 10 (1), ⟨10.1038/s41467-019-11305-7⟩. ⟨hal-02193440⟩

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