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Surface Plasmon Excitation on a Sphere Made of Left-Handed Material

Abstract : We introduce formulae in suitable form for the numerical computation of Mie coefficients and the scattered electrical field in the general case of a sphere with permitivity ϵ and permeability μ. The small particle limit is also investigated. We compute the extinction cross section of a negative index sphere, as well as intensity maps. Excitation of surface plasmons featuring narrow linewidths is observed, which can be attributed to the permitivity or the permeability of the sphere.
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Submitted on : Thursday, January 30, 2020 - 11:52:44 AM
Last modification on : Sunday, June 26, 2022 - 4:44:39 AM

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Alexandre Vial. Surface Plasmon Excitation on a Sphere Made of Left-Handed Material. Plasmonics, Springer Verlag, 2006, 1 (2-4), pp.129-134. ⟨10.1007/s11468-006-9011-x⟩. ⟨hal-02460766⟩



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