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Integral-Equation Analysis of 3-D Metallic Objects Arranged in 2-D Lattices Using the Ewald Transformation


Ivica Stevanović, Pedro Crespo-Valero, Katarina Blagović, Frédéric Bongard, and Juan R. Mosig

Ecole Polytechnique Fédérale de Lausanne

We present a space-domain integral-equation method for the analysis of periodic structures formed by three-dimensional (3-D) metallic objects arranged in a general skewed two-dimensional lattice. The computation of the space-domain Green’s function is accelerated using the Ewald transformation. The method is validated on several periodic structures ranging from planar frequency- selective surfaces to 3-D photonic crystals and metamaterials. For these structures, our technique shows a clear advantage in terms of computational speed when compared with available commercial softwares.

IEEE Transactions on Microwave Theory and Techniques

2006

October

54

10

3688-3697
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