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Propagation of an electromagnetic lightwave through isolated or periodically arranged openings
Guillaume Gomard1, 2, Romain Peretti1, Xavier Letartre1, Emmanuel Drouard1, 3

The goal of this document is to provide a comprehensive description of the equations governing the propagation of an electromagnetic lightwave trough an opening. The latter is first considered as isolated and then integrated within a periodically arranged array. The material in which the openings are drilled is supposed to be non-magnetic. No other specific assumptions are made on the optical indices of the different regions involved in order to keep this study as general as possible.
1:  INL - Institut des nanotechnologies de Lyon - Site d'Ecully
2:  INL - Institut des Nanotechnologies de Lyon - Site de l'INSA
3:  ECL - École Centrale de Lyon
Maxwell's equation – leaky waveguide – leaky modes – periodic array