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Electromagnetic time reversal and scattering by a small dielectric inclusion

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Published under licence by IOP Publishing Ltd
, , Citation Souhir Gdoura et al 2012 J. Phys.: Conf. Ser. 386 012010 DOI 10.1088/1742-6596/386/1/012010

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1 Département de Recherche en Electromagnétisme, Laboratoire des Signaux et Systèmes UMR8506, 91192 Gif-sur-Yvette cedex, France

2 Centre de Mathématiques Appliquées, UMR 7641, École Polytechnique, 91128 Palaiseau, France

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1742-6596/386/1/012010

Abstract

An asymptotic expression of the scattered electromagnetic far-field due to a small spherical dielectric inclusion illuminated by an impulsive vector source nearby is proposed first. Then, a time-reversal technique enabling to locate the position of this inclusion is developed and its performances are illustrated from numerical simulations.

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10.1088/1742-6596/386/1/012010