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Circularly polarized horn antenna

  • US 20090033579A1
  • Filed: 08/03/2007
  • Published: 02/05/2009
  • Est. Priority Date: 08/03/2007
  • Status: Active Grant
First Claim
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1. A horn antenna, comprising:

  • a waveguide; and

    a circular polarizer coupled to the waveguide, the circular polarizer comprising a slab of dielectric material having a first portion of a first width and a second portion of a second width smaller than the first width such that the slab has a step shape, the second portion of the slab being positioned at an aperture of the horn antenna.

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