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

Research output: Contribution to journal › Article › peer-review

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

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1016/j.rinp.2019.102582

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title = "3D sound wave focusing by 2D internal periodic structure of 3D external cuboid shape",

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.",

author = "S. Casti{\~n}eira-Ib{\'a}{\~n}ez and D. Tarraz{\'o}-Serrano and P. Candelas and Minin, {O. V.} and C. Rubio and Minin, {I. V.}",

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doi = "10.1016/j.rinp.2019.102582",

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AU - Castiñeira-Ibáñez, S.

AU - Tarrazó-Serrano, D.

AU - Candelas, P.

AU - Minin, O. V.

AU - Rubio, C.

AU - Minin, I. V.

PY - 2019/12/1

Y1 - 2019/12/1

N2 - 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.

AB - 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.

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