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Electromagnetic time reversal and scattering by a small dielectric inclusion

Souhir Gdoura 1 Abdul Wahab 2 Dominique Lesselier 1
1 DRE - Département de Recherche en Electromagnétisme ; EMG - Département Electromagnétisme - L2S
L2S - Laboratoire des signaux et systèmes : 1289, SUPELEC-Campus Gif
2 CMAP - Centre de Mathématiques Appliquées - Ecole Polytechnique
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.
Keywords : time-reversal transient 3-D electromagnetics integral field formulations Green's dyads imaging asymptotics
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Journal articles
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https://hal-supelec.archives-ouvertes.fr/hal-00741594
Contributor : Dominique Lesselier Connect in order to contact the contributor
Submitted on : Sunday, October 14, 2012 - 6:52:23 PM
Last modification on : Thursday, June 17, 2021 - 3:49:40 AM

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Souhir Gdoura, Abdul Wahab, Dominique Lesselier. Electromagnetic time reversal and scattering by a small dielectric inclusion. Journal of Physics: Conference Series, IOP Publishing, 2012, Journal of Physics: Conference Series, 386, pp.012010. ⟨10.1088/1742-6596/386/1/012010⟩. ⟨hal-00741594⟩

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