Abstract
An equivalent circuit model for the analysis and design of terahertz (THz)
metamaterial filters is presented. The proposed model, derived based on LMC
equivalent circuits, takes into account the detailed geometrical parameters and the
presence of a dielectric substrate with the existing analytic expressions for
self-inductance, mutual inductance, and capacitance. The model is in good agreement
with the experimental measurements and full-wave simulations. Exploiting the circuit
model has made it possible to predict accurately the resonance frequency of the
proposed structures and thus, quick and accurate process of designing THz device
from artificial metamaterials is offered.
© 2011 Chinese Optics Letters
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