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Topology and design of wide-band 3D metamaterials made of periodically loaded transmission line arrays

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4 Author(s)
Hoefer, W.J.R. ; Dept. of Electr. & Comput. Eng., Victoria Univ., BC, Canada ; So, P.P.M. ; Thompson, D. ; Tentzeris, M.M.

We propose a new topology for realizing artificial microwave materials that exhibit a negative refractive index over a wide frequency band. These metamaterials consist of a three-dimensional transmission line mesh that is loaded with reactive series and shunt elements to create negative permittivity and permeability. The cubic-cell transmission line host network is a physical realization of the 3D distributed node TLM lattice which has the same low-frequency properties as the FDTD Yee scheme. This paper describes the topology, the theory, the design, and possible realizations of such a metamaterial. Its wave properties are validated by full-wave simulations using the time domain electromagnetic field simulation tool MEFiSTo-3D Pro.

Published in:

Microwave Symposium Digest, 2005 IEEE MTT-S International

Date of Conference:

12-17 June 2005