METAFILMS CHARACTERISTICS FOR THE TERAHERTZ FREQUENCY RANGE AT THE GEOMETRIC PARAMETERS SCALING

Y. E. Terekhov, M. K. Khodzitskiy, G. V. Belokopytov


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Abstract

The reflection and transmission coefficients of metafilms composed of U-shaped resonators were obtained in the frequency range of 0.1 - 1 THz by numerical finite-element simulation method. The side length, the gap depth and the period of resonators were proportionally scaled. The experimental spectra of the transmission coefficients for metafilms with U-shaped resonators were received. The re-tuning of the resonant modes was shown from 0.12 till 0.51 THz at the geometric parameters scaling.


Keywords: metamaterials, U-shaped resonator, electrodynamic similarity, terahertz frequency range, plasmonic resonance, metafilm

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