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Composite left/right-handed stacked hole arrays at sub-millimeter wavelength

Abstract : High-transmissivity composite left/right-handed uniaxial bulk metamaterials were fabricated in a multilayered dielectric/hole metal array technology and experimentally assessed at submillimeter wavelengths (0.4–0.9 THz) by time-domain spectroscopy. From the frequency dependence of the complex scattering parameters, we show the possibility to close the gap between the left- and right-handed dispersion branches by increasing the number of layers from 3 to 5. Such a demonstration paves the way of balance composite propagation characteristics with a gapless transition between the negative and positive values of refractive index at a frequency of 0.5 THz.
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https://hal.archives-ouvertes.fr/hal-00991480
Contributor : Isabelle Michelin <>
Submitted on : Tuesday, July 27, 2021 - 5:50:41 PM
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  • HAL Id : hal-00991480, version 1

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S. Wang, F. Garet, K. Blary, C. Croënne, E. Lheurette, et al.. Composite left/right-handed stacked hole arrays at sub-millimeter wavelength. Journal of Applied Physics, American Institute of Physics, 2010, 107, pp.074510. ⟨hal-00991480⟩

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