Title: Study of eigenmodes in periodic waveguides using the Lorentz reciprocity theorem
Authors: Pissoort, Davy ×
Olyslager, F #
Issue Date: Feb-2004
Publisher: Ieee-inst electrical electronics engineers inc
Series Title: Ieee transactions on microwave theory and techniques vol:52 issue:2 pages:542-553
Abstract: Photonic crystals, frequency-selective surfaces, gratings, and many so-called metamaterials are composed of periodic arrangements of objects. Such an arrangement of objects quickly forms a periodic waveguide. In this paper, we investigate a number of properties of the eigenmodes in general periodic waveguides; using the Lorentz reciprocity theorem. Such an analysis seems to be missing in the literature. We present an original proof for the intimate relation between bidirectionality of a periodic waveguide and reciprocity. We also derive compact expressions for the excitation coefficients of the eigenmodes when the waveguide is excited by a source density or an incident field. The analysis is generalized to include periodic waveguides composed of anisotropic and bianisotropic materials.
ISSN: 0018-9480
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Non-KU Leuven Association publications
× corresponding author
# (joint) last author

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