Abstract
We report a new design of multiband electric metamaterial resonator based on integration of interdigitated structure and meander line with square ring. This metamaterial resonator has three distinct electric resonances and negative permittivity regions at C, X band of frequencies. The scattering parameters of proposed sub-wavelength resonator are analysed using full wave electromagnetic simulator Ansys HFSS to demonstrate the presence of electric response at resonant frequencies within 2–12 GHz band. Effective medium parameters permittivity, permeability and refractive index are extracted from simulated scattering parameters. The investigations are also carried out regarding independence of magnetic dipolar activity on flow of surface current. Performance comparison of proposed resonator with single negative SNG $(\epsilon resonators is carried out.
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