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Development of Negative Index of Refraction Metamaterials with Split Ring Resonators and Wires for RF Lens Applications

  • Claudio G. Parazzoli
  • Robert B. Greegor
  • M. H. Tanielian
Chapter
Part of the Springer Series in Materials Science book series (SSMATERIALS, volume 98)

Metamaterials are engineered ring and wire composites whose response to an incident electromagnetic wave can be described by an effective negative dielectric permittivity ε and magnetic permeability μ. Simultaneous negative ε and μ within a given frequency band of a metamaterial gives rise to a negative index of refraction n. This has been demonstrated via a Snell’s law experiment. The electromagnetic properties of many metamaterial structures in the microwave region are investigated through numerical simulations and experiments. A negative index of refraction, n, allows lenses with reduced primary (Seidel) aberrations compared to equivalent positive index lens. This is demonstrated both for cylindrical lenses and spherical lenses, as well as for the gradient index lenses. Detailed field maps of the focal region of the metamaterials lenses are made and compared to a comparable positive index of refraction lens.

Keywords

Focal Spot Line Plot Negative Index Split Ring Resonator Negative Refractive Index 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2007

Authors and Affiliations

  • Claudio G. Parazzoli
    • 1
  • Robert B. Greegor
    • 1
  • M. H. Tanielian
    • 1
  1. 1.Boeing Phantom WorksSeattle

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