Super-resolution characteristics based on time-reversed single-frequency electromagnetic wave

Abstract : A sub-wavelength three-antenna array that is able to perform super-resolution focusing with single-frequency signal excitations is investigated using time-reversal. The antenna array is loaded with a set of uniformly distributed thin metal wires, which when combined with single-frequency electromagnetic waves from a time-reversal mirror yields a 1=35 wavelength super-resolution focusing at the targeted antenna. The length of the metal wires in particular determines the frequency band enabling super-resolution performance. The results have signi cance for the super-resolution investigation of multi-band compact antenna ar- rays involving micro-structures, with potential linkage with recent studies on super-resolution mechanisms in deterministic complex media.
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Article dans une revue
Journal of Electromagnetic Waves and Applications, Taylor & Francis, 2016, 30 (13), pp.1670 - 1680. 〈10.1080/09205071.2016.1210037〉
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https://hal-centralesupelec.archives-ouvertes.fr/hal-01310741
Contributeur : Dominique Lesselier <>
Soumis le : mardi 3 mai 2016 - 10:11:00
Dernière modification le : jeudi 11 janvier 2018 - 06:27:25

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Huilin Tu, Shaoqiu Xiao, Dominique Lesselier, Mohammed Serhir. Super-resolution characteristics based on time-reversed single-frequency electromagnetic wave. Journal of Electromagnetic Waves and Applications, Taylor & Francis, 2016, 30 (13), pp.1670 - 1680. 〈10.1080/09205071.2016.1210037〉. 〈hal-01310741〉

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