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Numerical Studies of Left Handed Metamaterials

By Christopher D. Moss, Tomasz M. Grzegorczyk, Y. Zhang, and Jin Kong
Progress In Electromagnetics Research, Vol. 35, 315-334, 2002


We use the three dimensional Finite Difference Time Domain (FDTD) technique to study metamaterials exhibiting both negative permittivity and permeability in certain frequency bands. The structure under study is the well-known periodic arrangement of rods and split-ring resonators, previously used in experimental setups. The three parameters we study are the transmission coefficient of a slab, the phase variation of the propagating fields within the metamaterial, and the refraction of a wave through a prism. To our knowledge, this is the first time that the last two parameters are studied rigorously using a numerical method. The results of this work show that fields propagating inside the metamaterial with a forward power direction exhibit a backward phase velocity and negative index of refraction.


 (See works that cites this article)
Christopher D. Moss, Tomasz M. Grzegorczyk, Y. Zhang, and Jin Kong, "Numerical Studies of Left Handed Metamaterials," Progress In Electromagnetics Research, Vol. 35, 315-334, 2002.


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