Far field modeling of electromagnetic time reversal and application to selective focusing on small scatterers

Xavier Antoine; Bruno Pinçon; Karim Ramdani; Bertrand Thierry

hal-00429157, version 1

Far field modeling of electromagnetic time reversal and application to selective focusing on small scatterers

Xavier Antoine (, ) ^1, 2, Bruno Pinçon (, ) ^1, 2, Karim Ramdani ( Author to contact preferably , ) ^1, 2, Bertrand Thierry (, ) ^1, 2

SIAM Journal on Applied Mathematics 69, 3 (2008) 830-844

Abstract: A time harmonic far field model for closed electromagnetic time reversal mirrors is proposed. Then, a limit model corresponding to small perfectly conducting scatterers is derived. This asymptotic model is used to prove the selective focusing properties of the time reversal operator. In particular, a mathematical justification of the DORT method (Decomposition of the Time Reversal Operator method) is given for axially symmetric scatterers.

1: Institut Elie Cartan Nancy (IECN)
CNRS : UMR7502 – INRIA – Université Henri Poincaré - Nancy I – Université Nancy II – Institut National Polytechnique de Lorraine (INPL)
2: CORIDA (INRIA Nancy - Grand Est / IECN / LMAM)
INRIA – CNRS : UMR7502 – Université de Lorraine

hal-00429157, version 1
http://hal.archives-ouvertes.fr/hal-00429157
oai:hal.archives-ouvertes.fr:hal-00429157
From: Karim Ramdani <>
Submitted on: Sunday, 24 February 2013 16:55:03
Updated on: Thursday, 14 March 2013 16:33:05

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DOI: 10.1137/080715779

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