Abstract
The solution of the multiple-scattering problem for N parallel dielectric cylinders is considered for plane-wave illumination perpendicular to the cylinder axes. We describe a nonlinear programming approach to solve the multiple-scattering matrix for an arbitrary planar array of N parallel dielectric cylinders. To our knowledge, no calculations have been made previously for multiple scattering by more than two parallel dielectric cylinders. Numerical results for four abutting cylinders with end-on illumination demonstrate damping of internal resonance features similar to previously published results for two cylinders. Furthermore, we present numerical examples of scattering from eight unequally spaced, parallel dielectric cylinders with broadside illumination. Because of coupling between the cylinders, the incident energy is spread evenly between the intensity peaks behind the array of cylinders.
© 1992 Optical Society of America
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