Lens antenna having an improved dielectric lens for reducing dis

Details Lens antenna having an improved dielectric lens for reducing dis Lens antenna having an improved dielectric lens for reducing dis

1997-05-30

1999-09-14

Wong, Don

Communications: radio wave antennas

Antennas

Antenna components

343753, 343786, H01Q 1508

Patent

active

059529849

ABSTRACT:
A lens antenna is disclosed which comprises a conical horn and a lens attached to an aperture of the horn. The lens has a first planar surface at a first side which faces free space and a hyperboloid of revolution at a second side opposite the first side and is made of a dielectric material with relative permittivity ranging from 2 to 4. The lens is provided with a cylindrical portion which has a second planar surface parallel to the first planar surface and displaced from the first planar surface by a predetermined distance. The cylindrical portion being concentric with the lens.

REFERENCES:
patent: 3329958 (1967-07-01), Anderson
patent: 4447811 (1984-05-01), Hamid
patent: 5706017 (1998-01-01), Buttgenbach

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