INTERACTION OF A PLANE ELECTROMAGNETIC WAVE WITH A LAYER OF METAMATERIAL. NUMERICAL SIMULATION
DOI:
https://doi.org/10.15588/1607-3274-2012-2-5Keywords:
electromagnetic wave, polarization, metamaterials, reflection, transmission, deflection, anisotropy, permeability.Abstract
It is shown analytically that in the regime of full transmission in the interaction of a plane linearly polarized electromagnetic wave with a layer of a metamaterial the thickness of the layer is equal to an integer number of half wavelengths in the material layer. Numerical simulation of the metamaterial layer consisting of helices wound in different directions showed that with the chosen size of helices and their relative positions the metamaterial layer reflects the incident wave of the frequency f = 2 GHz fully while a wave with the frequency f = 2,8 GHz passes through the layer without reflection. At the frequency f = 2,39 GHz the structure deflects the incident wave mostly in the upper halfspace. The simulation also showed that at the selected orientation of helices relative to the direction of propagation and polarization of the incident wave the structure exhibits anisotropic and magnetic properties similar to those of SRR-structures. Based on this and using the properties of the halfwave layer the relative permeability of the metamaterial layer was estimated.
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Copyright (c) 2014 S.N. Romanenko, V.P. Dmitrenko, R.D. Pulov
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