Accurate analysis of two-dimensional electromagnetic scattering from multilayered periodic arrays of circular cylinders using lattice sums technique

• Published in: IEEE transactions on antennas and propagation 2004-10, Vol.52 (10), p.2603-2611
• Main Authors: Yasumoto, K., Toyama, H., Kushta, T.
• Format: Article
• Language: English
• Subjects: Aggregates; Applied sciences; Arrays; Circular cylinders; Conducting materials; Cylinders; Dielectrics; Diffraction, scattering, reflection; Electromagnetic analysis; Electromagnetic reflection; Electromagnetic scattering; Exact sciences and technology; Gyrotropism; Lattices; Material properties; Mathematical models; Radiocommunications; Radiowave propagation; Sums; Telecommunications; Telecommunications and information theory; Two dimensional; Two dimensional displays
• ISSN: 0018-926X; 1558-2221
• DOI: 10.1109/TAP.2004.834440

A very efficient and accurate method to characterize two-dimensional (2-D) electromagnetic scattering from multilayered periodic arrays of parallel circular cylinders is presented, using the lattice sums technique, the aggregate T-matrix algorithm, and the generalized reflection and transmission matrices for a layered system. The method is quite general and applies to various configurations of 2-D periodic arrays. The unit cell of the array can contain two or more cylinders, which may be dielectric, conductor, gyrotropic medium, or their mixture with different sizes. The periodic spacing of cylinders along each array plane should be the same over all layers, but otherwise the cylinders in different layers may be different in material properties and dimensions. The numerical examples validate the usefulness and accuracy of the proposed method.