Analysis and Characterization of a Wide-Angle Impedance Matching Metasurface for Dipole Phased Arrays

  title={Analysis and Characterization of a Wide-Angle Impedance Matching Metasurface for Dipole Phased Arrays},
  author={Trevor R. Cameron and George V. Eleftheriades},
  journal={IEEE Transactions on Antennas and Propagation},
The effects of mutual coupling impact the performance of phased arrays as the beam is scanned off broadside. Wide-angle impedance matching (WAIM) alleviates this problem from a transmission-line impedance matching viewpoint, increasing the useable scan range of the array. Traditionally, a dielectric slab is placed at some distance above the array, resulting in a match at some given angle off broadside. We propose a simpler and more effective solution, replacing the dielectric slab with an ultra… CONTINUE READING
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