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Keywords:

  • Metamaterials;
  • Photonics;
  • Nanostructures;
  • Isotropy;
  • Diffraction
Thumbnail image of graphical abstract

A new class of bulk metamaterials is proposed, which are assembled of functional layers with differing layout properties, as shown in the figure. These enhanced degrees of freedom allow to design metamaterials, which perform optically in a predefined manner. We apply this approach to design isotropic metamaterials and metamaterials in which light propagates free of diffraction.