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Practical method for determining inductance and capacitance of metamaterial resonators

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4 Author(s)
Li, J.N. ; Inst. of Modern Opt., Nankai Univ., Tianjin, China ; Withayachumnankul, W. ; Chang, S.J. ; Abbott, D.

A practical approach to determining the distributed capacitance and inductance of individual metamaterial resonators is demonstrated. By loading a set of lumped capacitors onto the resonator, the resonance frequency can be measured as a function of the load capacitance. The capacitance and inductance values of the resonator are then determined by relating the equivalent circuit model to the measurements. Although the measurement is limited to the microwave region owing to the availability of suitable lumped capacitors, the concept is useful in simulations over a wider frequency range. The obtainable parameters are useful for further metamaterial analyses or syntheses.

Published in:

Electronics Letters  (Volume:48 ,  Issue: 4 )