Guided propagation of electromagnetic waves in composite media

In this work, our study is based on the extraction of the complex effective permittivity and the complex effective permeability of composites with the ferromagnetic wires in the band X. Two types of composites made of wire continuous grates and shortened Co
66
Fe
3,5
B
16
Si
11
Cr
3,5
and Fe
3,85
Co
67,05
Ni
1,44
Si
14,47
Mo
1,66
are considered to determine different spectra of permittivity and permeability in the X-band frequency. For this purpose, the Sij diffusion parameters were simulated using rectangular waveguide. Then, the calculated values were adjusted using the method of Nicholson Ross Weir (NRW) to estimate the values of complex relative permittivity and the complex relative permeability. The measured and simulated values show a good convergence that guarantees the application of the used methodologies for the characterization of different composites.