P.L.E. Uslenghi

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The scattering of a plane electromagnetic wave by a double-negative (DNG) metamaterial wedge of arbitrary aperture angle is considered, in the frequency domain. The boundary-value problem is solved by separation of variables, and the modal expansion coefficients are determined as residues of a suitable meromorphic function.
A general formulation is presented for integral equations in the most general linear media, for which only the free-space Green's function is needed. The frequency-domain integral equations thus obtained contain all previously derived integral equations as particular cases. The derivation is based on the equivalency between a macroscopic and a microscopic(More)
The electromagnetic scattering of a plane wave by a metallic sphere concentric with a circular disk is considered, in the frequency domain. At low and intermediate frequencies, either separation of variables and mode-matching with matrix truncation or a direct numerical approach such as the method of moments may be used, whereas at high frequencies a(More)
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