Efficient Modeling of Electromagnetic Scattering by Symmetric Lamellar Periodic Structures at Normal Incidence
POLYTECHNIC UNIV BROOKLYN NY DEPT OF COMPUTER AND INFORMATION SCIENCE
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An efficient modeling of the electromagnetic scattering properties of symmetric lamellar periodic structures at normal incidence is discussed within the framework of the modal-field approach. By taking advantage of the inherent symmetry, a numerical computational speedup of up to 8 times can be achieved by explicitly ignoring anti-symmetric modes, which play no role in the scattering process at all.
- Electricity and Magnetism
- Radiofrequency Wave Propagation