Phase-control in two-dimensional phononic crystals | Zendy

N. Swinteck | Zendy; Stefan Bringuier | Zendy; J.F. Robillard | Zendy; J. O. Vasseur | Zendy; Anne-Christine Hladky | Zendy; Keith Runge | Zendy; Pierre A. Deymier | Zendy

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Phase-control in two-dimensional phononic crystals

Author(s) -

N. Swinteck,

Stefan Bringuier,

J.F. Robillard,

J. O. Vasseur,

Anne-Christine Hladky,

Keith Runge,

Pierre A. Deymier

Publication year - 2011

Publication title -

journal of applied physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.699

H-Index - 319

eISSN - 1089-7550

pISSN - 0021-8979

DOI - 10.1063/1.3641634

Subject(s) - phase (matter) , realization (probability) , acoustic metamaterials , physics , acoustics , acoustic wave , square (algebra) , phase velocity , optics , materials science , geometry , mathematics , quantum mechanics , statistics

A theoretical model is developed to ascertain the necessary band structure and equi-frequency contour (EFC) features of two-dimensional phononic crystals (PCs) for the realization of phase control between propagating acoustic waves. Two different PCs, a square array of cylindrical polyvinylchloride inclusions in air and a triangular array of cylindrical steel inclusions in methanol, offer band structures and EFCs with highly dissimilar features. We demonstrate that PCs with EFCs showing non-collinear wave and group velocity vectors are ideal systems for controlling the phase between propagating acoustic waves. Finite-difference time-domain simulations are employed to validate theoretical models and demonstrate the control of phase between propagating acoustic waves in PC structures.

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