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Start Over Author "Van MC" Journal 2014 international conference on electromagnetics in advanced applications (iceaa)
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1. SIE approach to scattered field computation for 2D periodic diffraction gratings in 3D space consisting of high permittivity dielectric materials and plasmonic scatterers

Author

van Mc Martijn Beurden, P Pieter Jorna, Vito Lancellotti, Electromagnetics, Electromagnetic and multi-physics modeling and computation Lab, and Center for Wireless Technology Eindhoven

Subjects
Electromagnetic field, Physics, Permittivity, Vacuum permittivity, Optics, Discretization, business.industry, Computation, Physics::Optics, Dielectric, business, Diffraction grating, Plasmon
Abstract

We describe a surface integral-equation (SIE) method suitable for reliable computation of electromagnetic fields scattered by 2D periodic gratings in homogeneous 3D space in which the gratings may consist of high permittivity dielectric materials and metals. More in particular we brie y describe the formulation, the discretization and efficient evaluation of the Quasi Periodic Green Function (QPGF) and its gradient using Ewald's method. We present a case study to illustrate the method's capability of handling high permittivity dielectric materials and a second case study to demonstrate the effectiveness and indispensability of interpolating the QPGF and its gradient using tables with precomputed values.

Published
2014
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