3D sound wave focusing by 2D internal periodic structure of 3D external cuboid shape

S. Castiñeira-Ibáñez, D. Tarrazó-Serrano, P. Candelas, O. V. Minin, C. Rubio, I. V. Minin

Division for Electronic Engineering

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Abstract

In this work, we report the focusing effect of a 2D sonic crystal cuboid. The proposed sonic composite lens is vertically extended from a 2-D flat Phononic Crystal Structure, but it is found to be able to focus waves in a three-dimensional manner. By varying the cuboid size, beam dimensions change and transverse beam width values smaller than the classical diffraction limit (~0.3 of wavelength) can be obtained. Numerical results have been obtained by Finite Element Method.

Original language	English
Article number	102582
Journal	Results in Physics
Volume	15
DOIs	https://doi.org/10.1016/j.rinp.2019.102582
Publication status	Published - 1 Dec 2019

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ASJC Scopus subject areas

Physics and Astronomy(all)

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Castiñeira-Ibáñez, S., Tarrazó-Serrano, D., Candelas, P., Minin, O. V., Rubio, C., & Minin, I. V. (2019). 3D sound wave focusing by 2D internal periodic structure of 3D external cuboid shape. Results in Physics, 15, [102582]. https://doi.org/10.1016/j.rinp.2019.102582

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AU - Candelas, P.

AU - Minin, O. V.

AU - Rubio, C.

AU - Minin, I. V.

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Access to Document

10.1016/j.rinp.2019.102582