Multimodal and omnidirectional beam splitters for Lamb modes in elastic plates | Zendy

Yabin Jin | Zendy; Daniel Torrent | Zendy; Yan Pennec | Zendy; Gaëtan Lévêque | Zendy; Yongdong Pan | Zendy; Bahram DjafariRouhani | Zendy

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Multimodal and omnidirectional beam splitters for Lamb modes in elastic plates

Author(s) -

Yabin Jin,

Daniel Torrent,

Yan Pennec,

Gaëtan Lévêque,

Yongdong Pan,

Bahram DjafariRouhani

Publication year - 2016

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4971213

Subject(s) - omnidirectional antenna , beam splitter , beam (structure) , optics , materials science , work (physics) , physics , acoustics , computer science , laser , telecommunications , antenna (radio) , thermodynamics

Omnidirectional beam splitters for the simultaneous control of the three fundamental Lamb modes in an elastic plate are designed and numerically studied. Beam splitters consist in radially symmetric and inhomogeneous lenses designed to redirect the incoming energy towards a given angle. In this work, these devices are designed by means of graded phononic crystals combined with thickness variations of the plate. Numerical simulations are presented to show the performance of the designed devices

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