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EVANESCENT WAVE-COUPLED FREQUENCY SELECTIVE SURFACE

  • US 20090058746A1
  • Filed: 08/31/2007
  • Published: 03/05/2009
  • Est. Priority Date: 08/31/2007
  • Status: Abandoned Application
First Claim
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1. A multi-layer frequency selective panel, comprising:

  • a plurality of frequency selective surfaces arranged in a stack including a first frequency selective surface comprising a first plurality of elements, and a second frequency selective surface comprising a second plurality of elements;

    said first frequency selective surface and said second frequency selective surface positioned a predetermined distance apart in parallel planes, and said second frequency selective surface disposed in an evanescent field region of said first frequency selective surface, wherein said multi-layer frequency selective panel has at least two resonant frequencies.

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