Experimental and theoretical evidence for subwavelength imaging in phononic crystals

A. Sukhovich; B. Merheb; K. Muralidharan; J. O. Vasseur; Y. Pennec; P. A. Deymier; J. H. Page

doi:10.1103/PhysRevLett.102.154301

Experimental and theoretical evidence for subwavelength imaging in phononic crystals

A. Sukhovich, B. Merheb, K. Muralidharan, J. O. Vasseur, Y. Pennec, P. A. Deymier, J. H. Page

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

265 Scopus citations

Abstract

We show experimentally and theoretically that super resolution can be achieved while imaging with a flat lens consisting of a phononic crystal exhibiting negative refraction. This phenomenon is related to the coupling between the incident evanescent waves and a bound slab mode of the phononic crystal lens, leading to amplification of evanescent waves by the slab mode. Super resolution is only observed when the source is located very near to the lens, and is very sensitive to the location of the source parallel to the lens surface as well as to site disorder in the phononic crystal lattice.

Original language	English (US)
Article number	154301
Journal	Physical review letters
Volume	102
Issue number	15
DOIs	https://doi.org/10.1103/PhysRevLett.102.154301
State	Published - Apr 17 2009

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Physics and Astronomy(all)

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abstract = "We show experimentally and theoretically that super resolution can be achieved while imaging with a flat lens consisting of a phononic crystal exhibiting negative refraction. This phenomenon is related to the coupling between the incident evanescent waves and a bound slab mode of the phononic crystal lens, leading to amplification of evanescent waves by the slab mode. Super resolution is only observed when the source is located very near to the lens, and is very sensitive to the location of the source parallel to the lens surface as well as to site disorder in the phononic crystal lattice.",

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AU - Sukhovich, A.

AU - Merheb, B.

AU - Muralidharan, K.

AU - Vasseur, J. O.

AU - Pennec, Y.

AU - Deymier, P. A.

AU - Page, J. H.

PY - 2009/4/17

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AB - We show experimentally and theoretically that super resolution can be achieved while imaging with a flat lens consisting of a phononic crystal exhibiting negative refraction. This phenomenon is related to the coupling between the incident evanescent waves and a bound slab mode of the phononic crystal lens, leading to amplification of evanescent waves by the slab mode. Super resolution is only observed when the source is located very near to the lens, and is very sensitive to the location of the source parallel to the lens surface as well as to site disorder in the phononic crystal lattice.

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Experimental and theoretical evidence for subwavelength imaging in phononic crystals

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