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Communication Dans Un Congrès Année : 2023

[Invited] Quasi-Bound States in the Continuum for Acoustic and Elastic Waves

Résumé

We study the localization of flexural and acoustic waves in metasurfaces by means of clusters of scatterers. We show that when the scatterers are placed regularly in the perimeter of a circumference these structures form a resonator which quality factor grows up exponentially with the number of scatterers. Numerical experiments are performed for elastic waves in thin elastic plates and acoustic waves trapped atop a metasurface, and an experimental validation of the latter is also presented.
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Dates et versions

hal-04278678 , version 1 (10-11-2023)

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  • HAL Id : hal-04278678 , version 1

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Marc Marti-Sabaté, Junfei Li, Bahram Djafari-Rouhani, Steven Cummer, Daniel Torrent Marti. [Invited] Quasi-Bound States in the Continuum for Acoustic and Elastic Waves. 13th International Conference on Metamaterials, Photonic Crystals and Plasmonics, META23, Session 1A5 Symposium V: Phononics and Acoustic Metamaterials, Jul 2023, Paris, France. ⟨hal-04278678⟩
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