On the low-frequency spatial dispersion in wire media

Abstract

The work is dedicated to the theoretic analysis of wire media, i.e. lattices of perfectly conducting wires comprised of two or three doubly periodic arrays of parallel wires which are orthogonal to one another. An analytical method based on local field approach is used. The explicit dispersion equations are presented and studied. A possibility to introduce a dielectric permittivity is discussed. The theory is validated by comparison with the numerical data available in the literature.

9 pages, 8 figures, submitted to PRE

References in corpus (2)

• Strong spatial dispersion in wire media in the very large wavelength limit
• Backward wave region and negative material parameters of a structure formed by lattices of wires and split-ring resonators

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