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 \(\epsilon\) and permeability \(\mu\). 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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Vial, A. Surface Plasmon Excitation on a Sphere Made of Left-Handed Material. Plasmonics 1, 129–134 (2006). https://doi.org/10.1007/s11468-006-9011-x
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DOI: https://doi.org/10.1007/s11468-006-9011-x