Radio frequency antenna with combined lens and polarizer

Details Radio frequency antenna with combined lens and polarizer Radio frequency antenna with combined lens and polarizer

1977-05-31

1978-11-28

Lieberman, Eli

Communications: radio wave antennas

Antennas

With spaced or external radio wave refractor

343756, 343854, H01Q 1906, H01Q 1524

Patent

active

041278577

ABSTRACT:
A multibeam antenna having a radio frequency lens fed by a plurality of feedports is disclosed. The radio frequency lens includes a printed circuit parallel plate region and a polarizer section. The polarizer section includes a plurality of polarizer sheets separated by a plurality of layers of dielectric material, the dielectric constant of the printed circuit parallel plate region and the dielectric constant of the layers of dielectric material being selected to form substantially collimated beams, each one of such beams being associated with a corresponding one of the feedports. With this arrangement, the polarizer section is an integral part of the radio frequency lens, thereby reducing the size of the antenna.

REFERENCES:
patent: 2978702 (1961-04-01), Pakan
patent: 3754270 (1973-08-01), Thies

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