Loss enhanced transmission and collimation in anisotropic epsilon-near-zero metamaterials

  • Sun L
  • Feng S
  • Yang X
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We verify the extraordinary transmission enhancement and collimation induced by the material loss in anisotropic near-zero permittivity (ENZ) metamaterials, and reveal the physical mechanism of this exotic electromagnetic phenomenon via the iso-frequency contour (IFC) analysis. In addition, we demonstrate the possibility in realization of such loss enhanced transmission of Gaussian beam in realistic silver-germanium multilayered structures by applying full-wave numerical simulations.

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  • Lei Sun

  • Simin Feng

  • Xiaodong Yang

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