Scattering from lossy dielectric cylinders using a generalized multiple multipole technique with impedance boundary conditions

A numerical method is presented for the problem of a transverse electric (TE) scattered field from homogeneous lossy dielectric cylinders. The numerical solution uses the generalized multiple multipole technique to simulate the field scattered by the cylinders. The expansion coefficient is solved for, subject to the impedance boundary conditions. Numerical results are given and compared with available analytical solutions. The numerical results are in good agreement with the exact analytic solution for circular cylinders. The usefulness of the method lies in its simplicity of application and in its rapid convergence.<>