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Effective permittivity extraction of a periodic material using various homogenization techniques. We used full wave-finite element method based Nicolson Ross Weir (FEM-NRW) technique, Maxwell-Garnett (MG) periodic, MG finite along one dimension (z-direction), MG finite (finite along each direction), TSCH, and the proposed technique (MEDM) in order to extract the effective parameters. A cubic sample of the composite is considered, and the full geometric and simulation settings are given in Table 1. (a) Effective permittivity as a function of the permittivity of the inclusion material. The lattice period d is three times the edge-length of the basis a. (b) Effective permittivity as a function of the lattice period. The relative permittivity of the inclusion is 6.
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