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Dispersion inherent to TLM nodes for modelling of metamaterials

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4 Author(s)
Blanchard, C. ; Dept. of Appl. Phys., Univ. of Granada, Granada, Spain ; Porti, J.A. ; Morente, J.A. ; Salinas, A.

The transmission line modelling (TLM) numerical approach to simulate metamaterials includes the assumption of a working frequency at which the required permittivity and permeability are adjusted; both are altered at any other value. Controlling the behaviour of the simulated metamaterial in a given frequency range is crucial. The dispersion relation of the TLM node for metamaterials is derived. It is found that such a node disperses according to the Drude model.

Published in:

Electronics Letters  (Volume:46 ,  Issue: 2 )