Elastic wave propagation along waveguides in three-dimensional phononic crystals

H. Chandra, Pierre A Deymier, J. O. Vasseur

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

We investigate theoretically using the finite difference time domain method acoustic wave propagation along waveguides in three-dimensional phononic crystals constituted of lead spherical inclusions on a face-centered cubic lattice embedded in an epoxy matrix. The transmission spectra of the perfect phononic crystal for transverse and longitudinal acoustic waves are shown to depend strongly on the direction of propagation. The crystal possesses an absolute band gap. Waveguides oriented along different crystallographic directions, namely the 〈100〉 and 〈111〉 directions, exhibit pass bands in the phononic crystal band gaps for both transverse and longitudinal polarizations.

Original languageEnglish (US)
Article number054302
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume70
Issue number5
DOIs
StatePublished - Aug 2004

Fingerprint

Elastic waves
elastic waves
Wave propagation
wave propagation
Waveguides
waveguides
Crystals
crystals
Energy gap
Acoustic wave propagation
face centered cubic lattices
acoustics
Finite difference time domain method
finite difference time domain method
Acoustic waves
inclusions
Polarization
propagation
polarization
matrices

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Elastic wave propagation along waveguides in three-dimensional phononic crystals. / Chandra, H.; Deymier, Pierre A; Vasseur, J. O.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 70, No. 5, 054302, 08.2004.

Research output: Contribution to journalArticle

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