Electric and Magnetic Walls on Dielectric Interfaces
Changbiao Wang
TL;DR
This paper establishes conditions under which dielectric interfaces in waveguides act as electric or magnetic walls, based on the supported field distributions in adjacent dielectric zones.
Contribution
It provides new sufficient conditions for dielectric interfaces to behave as electric or magnetic walls in multizone waveguides.
Findings
Interfaces behave as electric walls when one zone supports TEM and the other TM fields.
Interfaces behave as magnetic walls when one zone supports TEM and the other TE fields.
Conditions for electric and magnetic wall behavior are explicitly characterized.
Abstract
Sufficient conditions of the existence of electric or magnetic walls on dielectric interfaces are given for a multizone uniform dielectric waveguiding system. If one of two adjacent dielectric zones supports a TEM field distribution while the other supports a TM (TE) field distribution, then the common dielectric interface behaves as an electric (magnetic) wall, that is, the electric (magnetic) field line is perpendicular to the interface while the magnetic (electric) field line is parallel to the interface.
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Taxonomy
TopicsPhotonic Crystals and Applications · Liquid Crystal Research Advancements · Photonic and Optical Devices