Evidence of Fano-like interference phenomena in locally resonant materials

C. Goffaux; J. Sánchez-Dehesa; A. Levy Yeyati; Ph Lambin; A. Khelif; J. O. Vasseur; B. Djafari-Rouhani

doi:10.1103/PhysRevLett.88.225502

Evidence of Fano-like interference phenomena in locally resonant materials

C. Goffaux, J. Sánchez-Dehesa, A. Levy Yeyati, Ph Lambin, A. Khelif, J. O. Vasseur, B. Djafari-Rouhani

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394 Citations (Scopus)

Abstract

The transmission of elastic waves across structures made of coated cylinders present resonance features having a very asymmetric profile. The physical origin of these resonances was studied by simple 1D mechanical model with analytical solution. It was concluded that the existence of localized modes associated to the cylindrical units are at the origin of the interference phenomenon which results in the asymmetric profiles (Fano profiles) observed in transmission spectra. Furthermore, their behavior were characterized as a function of the cylinders' mass density.

Original language	English
Article number	225502
Pages (from-to)	225502/1-225502/4
Journal	Physical Review Letters
Volume	88
Issue number	22
DOIs	https://doi.org/10.1103/PhysRevLett.88.225502
Publication status	Published - 3 Jun 2002
Externally published	Yes

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10.1103/PhysRevLett.88.225502

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abstract = "The transmission of elastic waves across structures made of coated cylinders present resonance features having a very asymmetric profile. The physical origin of these resonances was studied by simple 1D mechanical model with analytical solution. It was concluded that the existence of localized modes associated to the cylindrical units are at the origin of the interference phenomenon which results in the asymmetric profiles (Fano profiles) observed in transmission spectra. Furthermore, their behavior were characterized as a function of the cylinders' mass density.",

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AU - Khelif, A.

AU - Vasseur, J. O.

AU - Djafari-Rouhani, B.

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N2 - The transmission of elastic waves across structures made of coated cylinders present resonance features having a very asymmetric profile. The physical origin of these resonances was studied by simple 1D mechanical model with analytical solution. It was concluded that the existence of localized modes associated to the cylindrical units are at the origin of the interference phenomenon which results in the asymmetric profiles (Fano profiles) observed in transmission spectra. Furthermore, their behavior were characterized as a function of the cylinders' mass density.

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Evidence of Fano-like interference phenomena in locally resonant materials

Abstract

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