Polarizer for microwave antenna

Details Polarizer for microwave antenna Polarizer for microwave antenna

1980-02-25

1981-11-03

Lieberman, Eli

Communications: radio wave antennas

Antennas

With polarization filter or converter

343781P, 343872, H01Q 19195

Patent

active

042988764

ABSTRACT:
A reflection-type polarizer for modifying the polarization of an incident electromagnetic wave. The polarizer comprises a reflector positioned at a predetermined distance from a polarization filter constituted by a metal plate having a bi-dimensional periodic network of resonant slots at the operating frequency. The polarizer has application to microwave antenna systems and particularly to Cassegrain antennas.

REFERENCES:
patent: 3092834 (1963-06-01), McCann et al.
patent: 3137000 (1964-06-01), Fuller
patent: 3340535 (1967-09-01), Damonte et al.
patent: 3448455 (1969-06-01), Alfadari et al.
patent: 3633206 (1972-01-01), McMillan
patent: 3771160 (1973-11-01), Lauerick
patent: 3820116 (1974-06-01), Carlsson
patent: 3990080 (1976-11-01), Lundgren, Jr. et al.
patent: 4070678 (1978-01-01), Smedes
patent: 4125841 (1978-11-01), Munk

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