In this paper, the synthesis of dielectric cloaks is solved in terms of an inverse scattering problem (ISP), where the overall solution is partially known (the object or collection of scatterers to be hidden) and partially unknown (the coating or cloak). In a 2D domain and for TMz incident polarization, the cloaking effect is first analytically demonstrated in quasi-static regime, confirming the plasmonic cloaking approach. The main novelty is numerically exploring, beyond the subwavelength limit, novel layouts of cloaks without any negative or near-zero dielectric value on the inside.
Dielectric cloaks as analytical or numerical solutions of inverse scattering problems / Labate, Giuseppe; Di Donato, Loreto; Matekovits, Ladislau; Isernia, Tommaso. - ELETTRONICO. - (2017), pp. 1857-1858. (Intervento presentato al convegno 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting tenutosi a San Diego, California (USA) nel 9-14 July 2017) [10.1109/APUSNCURSINRSM.2017.8072971].
Dielectric cloaks as analytical or numerical solutions of inverse scattering problems
LABATE, GIUSEPPE;MATEKOVITS, Ladislau;
2017
Abstract
In this paper, the synthesis of dielectric cloaks is solved in terms of an inverse scattering problem (ISP), where the overall solution is partially known (the object or collection of scatterers to be hidden) and partially unknown (the coating or cloak). In a 2D domain and for TMz incident polarization, the cloaking effect is first analytically demonstrated in quasi-static regime, confirming the plasmonic cloaking approach. The main novelty is numerically exploring, beyond the subwavelength limit, novel layouts of cloaks without any negative or near-zero dielectric value on the inside.Pubblicazioni consigliate
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https://hdl.handle.net/11583/2687786
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