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

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....

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 2006-10, Vol.54 (10), p.3688-3697
Main Authors: Stevanovic, I., Crespo-Valero, P., Blagovic, K., Bongard, F., Mosig, J.R.
Format: Article
Language:English
Subjects:
Acceleration
Acoustic scattering
Applied sciences
Bismuth
Computation
Computer programs
Electromagnetic scattering
Electronics
Exact sciences and technology
Frequency
Frequency-selective surfaces (FSSs)
Green's functions (GFs)
integral equations (IEs)
Iron
Lattices
Materials
Metamaterials
Microwaves
Periodic structures
Photonic crystals
photonic-bandgap (PBG) materials
Transformations
Two dimensional displays
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Summary: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
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.2006.882876