Fabrication and Optical Measurements of Nanoscale Meta-Materials: Terahertz and Beyond
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Fabrication and Optical Measurements of Nanoscale Meta-Materials: Terahertz and Beyond

  • Author(s): Martin, Michael C.
  • Hao, Zhao
  • Liddle, Alex
  • Anderson, Erik H.
  • Padilla, Willie J.
  • Schurig, David
  • Smith, David R.
  • et al.
Abstract

Recently, artificial meta-materials have been reported [1] that have a negative index of refraction, which allows a homogeneous flat slab of the material to behave as a perfect lens [2], possibly even creating sub-diffraction limited focusing. These novel artificial materials have numerous potential applications in science, technology, and medicine [3],especially if their novel behavior can be extended to the technologically critical near-infrared and visible region.The meta-materials consist of split-ring resonators which provide a negative m, and metal strips which provide a negative e. First steps towards scaling the dimensions of these metamaterials have been recently taken with the fabrication of split-ring resonator structures showing magnetic resonances at about1 THz [4] and 100 THz [5] frequencies.

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