Scattering and absorption by thin metal wires in rectangular waveguide - FDTD simulation and physical experiments
Date
2002
Authors
Bingle M.
Davidson D.B.
Cloete J.H.
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Journal ISSN
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Abstract
The high-frequency internal impedance model of a round ohmic conductor is incorporated into the subcell thin-wire formulation of the finite-difference time-domain method to model the microwave properties of metal wires. For magnetic metals, such as steel, an effective conductivity is introduced to account for the increase in ohmic loss due to the high-frequency permeability. Physical experiments with half-wave resonant copper- and steel-wire inclusions, supported by a dielectric slab in a standard S-band rectangular waveguide, support the formulation.
Description
Keywords
Dielectric materials, Electric conductivity, Electric conductors, Electric impedance, Electric wire, Electromagnetic wave absorption, Electromagnetic wave scattering, Finite difference method, Inclusions, Magnetic permeability, Ohmic contacts, Time domain analysis, Thin metal wires, Rectangular waveguides
Citation
IEEE Transactions on Microwave Theory and Techniques
50
6
50
6