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Keywords:

  • Frequency selective surface;
  • integrated circuits;
  • polarizations;
  • filters

Abstract

A single-screen double-square-loop (DSL) frequency selective surface (FSS) has been developed and tested for triband applications (i.e., to reflect the X-band and to pass the S- and Ku-band waves). Good agreement between predicted and measured transmission performance is obtained for the DSL FSS on a 0.001-in.-thick Kapton with/without a flat Kevlar honeycomb sandwich panel. It is found that this single-screen DSL FSS with/without the Kevlar honeycomb has a resonant frequency near 8.4 GHz for incident angle steered from normal to 45° and for both TE and TM polarizations.