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Metamaterial enabled compact wideband tunable phase shifters

  • US 8,680,945 B1
  • Filed: 01/26/2011
  • Issued: 03/25/2014
  • Est. Priority Date: 02/17/2010
  • Status: Active Grant
First Claim
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1. A metamaterial unit cell, comprising:

  • a first transmission line segment; and

    a second transmission line segment overlapped with and formed onto the first transmission line segment to form the metamaterial unit cell having a negative refractive index (NRI),wherein the NRI of the metamaterial unit cell is adjustable through dispersion management based on a predetermined dispersion overlap factor associated with the metamaterial unit cell to provide a wide phase tuning range over non-resonance and resonance frequencies.

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