Communication Dans Un Congrès Année : 2024

Sub-Wavelength Energy Focusing Through a Fabry-Pérot Based MHz Elastic Extraordinary Acoustic Transmission System

Résumé

The Extraordinary Acoustic Transmission (EAT) phenomenon refers to the ability to concentrate wave energy in sub-wavelength domains beyond geometric principles suggest. This study presents and evaluates a MHz EAT system, fabricated with aluminum, using both Finite Element Method (FEM) simulations and an experimental approach. The results suggest potential applications in sub-wavelength ultrasonic nearfield microscopy and imaging.

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Dates et versions

hal-05050838 , version 1 (29-04-2025)

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Jiacheng Chen, Thibaut Devaux, Rémi Rouffaud, Eun Bok, Marc Lethiecq, et al.. Sub-Wavelength Energy Focusing Through a Fabry-Pérot Based MHz Elastic Extraordinary Acoustic Transmission System. 2024 IEEE Ultrasonics, Ferroelectrics, and Frequency Control Joint Symposium (UFFC-JS), Sep 2024, Taipei, Taiwan. pp.1-3, ⟨10.1109/UFFC-JS60046.2024.10793856⟩. ⟨hal-05050838⟩
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