Wideband dielectric antenna

Details Wideband dielectric antenna Wideband dielectric antenna

2011-08-30

2011-08-30

Le, Hoanganh (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S713000

Reexamination Certificate

active

08009107

ABSTRACT:
An antenna for radiating an electromagnetic field having both linear and circular polarization includes a ground plane and a dielectric layer. The dielectric layer is disposed on the ground plane and has at least one exposed surface that radiates the electromagnetic field. A first feeding element is disposed on the exposed surface for electrically exciting the dielectric layer to provide the linear polarization at a first frequency having a first effective wavelength. A second feeding element is disposed on the exposed surface for electrically exciting the dielectric layer to provide the circular polarization at a second frequency having a second effective wavelength. The feeding elements are separated by a distance greater than ⅛ wavelength of the largest of the effective wavelengths.

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