Two-dimensional phononic crystal with tunable narrow pass band: Application to a waveguide with selective frequency

A. Khelif; P. A. Deymier; B. Djafari-Rouhani; J. O. Vasseur; L. Dobrzynski

doi:10.1063/1.1557776

Two-dimensional phononic crystal with tunable narrow pass band: Application to a waveguide with selective frequency

A. Khelif^*, P. A. Deymier, B. Djafari-Rouhani, J. O. Vasseur, L. Dobrzynski

^*Corresponding author for this work

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

190 Citations (Scopus)

Abstract

The propagation of elastic waves in two-dimensional composite media composed of a square array of hollow steel cylinder embedded in water was discussed using the finite-difference time-domain method. It was found that a linear defect formed of a row of hollow cylinders in an array of filled cylinders produced an elastic waveguides that transmitted at the narrow pass band frequency. The analysis showed that the two tunable waveguides with different inner radii were employed to filter and separate two specific frequencies from a broad band input signal.

Original language	English
Pages (from-to)	1308-1311
Number of pages	4
Journal	Journal of Applied Physics
Volume	94
Issue number	3
DOIs	https://doi.org/10.1063/1.1557776
Publication status	Published - 1 Aug 2003
Externally published	Yes

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10.1063/1.1557776

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abstract = "The propagation of elastic waves in two-dimensional composite media composed of a square array of hollow steel cylinder embedded in water was discussed using the finite-difference time-domain method. It was found that a linear defect formed of a row of hollow cylinders in an array of filled cylinders produced an elastic waveguides that transmitted at the narrow pass band frequency. The analysis showed that the two tunable waveguides with different inner radii were employed to filter and separate two specific frequencies from a broad band input signal.",

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AU - Vasseur, J. O.

AU - Dobrzynski, L.

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AB - The propagation of elastic waves in two-dimensional composite media composed of a square array of hollow steel cylinder embedded in water was discussed using the finite-difference time-domain method. It was found that a linear defect formed of a row of hollow cylinders in an array of filled cylinders produced an elastic waveguides that transmitted at the narrow pass band frequency. The analysis showed that the two tunable waveguides with different inner radii were employed to filter and separate two specific frequencies from a broad band input signal.

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Two-dimensional phononic crystal with tunable narrow pass band: Application to a waveguide with selective frequency

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