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Electromagnetic interaction between two parallel circular cylinders on a planar interface

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4 Author(s)
Valle, P.J. ; Dept. de Fisica Aplicada, Cantabria Univ., Santander, Spain ; Moreno, F. ; Saiz, J.M. ; Gonzalez, F.

Multiple interaction between two parallel and infinitely long circular cylinders on a planar interface separating two different media is analyzed theoretically. The scattering equations are derived from the so-called extinction theorem applied to this particular geometry. For simplicity, the surface is considered to be perfectly conducting although the method can be extended for any material. The equations, solved numerically by means of an appropriate discretization of the surface, provide the electric surface current density from which the scattered intensity can easily be calculated. Scattering of the transversal-magnetic and transversal-electric incident wave is studied as a function of the cylinder separation for cylinder diameters from 0.2λ to 4λ (λ being the incident wavelength). The effects of the interaction between cylinders are shown in the scattering cross section and in the surface current density of the planar substrate and of the cylinders

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Antennas and Propagation, IEEE Transactions on  (Volume:44 ,  Issue: 3 )