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17 September 2013 The influence of period between U-shaped resonators on metasurface response at terahertz frequency range
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Abstract
In this paper we study the influence of the period between U-shaped split-ring resonators (SRRs) on the trans- mission/absorbtion properties and refraction index of metasurfaces in THz frequency range (0.1 - 1 THz) using experiments and numerical simulations. The metasurfaces are formed by U-shaped SRRs arrays. The period varies from 63 to 300 μm The metasurface electromagnetic responses are obtained using terahertz time-domain spectroscopy. The experimental and numerical results reveal the shift in transmission spectra for the metasurface response and the tuning of absorbtion intensity at the period between U-shaped SRRs changing. The notable change in the metasurface refractive index is shown.
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Yury E. Terekhov, Mikhail K. Khodzitsky, Yaroslav V. Grachev, Egor A. Sedykh, Gennady V. Belokopytov, and Xi-Cheng Zhang "The influence of period between U-shaped resonators on metasurface response at terahertz frequency range", Proc. SPIE 8806, Metamaterials: Fundamentals and Applications VI, 88062Q (17 September 2013); https://doi.org/10.1117/12.2024824
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