Microwave lens for beam broadening with antenna feeds

Details Microwave lens for beam broadening with antenna feeds Microwave lens for beam broadening with antenna feeds

1984-05-29

1987-01-13

Lieberman, Eli

Communications: radio wave antennas

Antennas

With spaced or external radio wave refractor

343783, H01Q 1906

Patent

active

046367985

ABSTRACT:
A microwave lens broadens the radiation pattern of an antenna feedhorn so as to result in improved illumination of the reflector surface. The lens, constructed of dielectric material in the shape of a half-torus, provides feed radiation patterns suitable for use with deep paraboloidal reflectors, typically ones having focal-length-to-diameter ratios between 0.25 and 0.35.

REFERENCES:
patent: 2761138 (1956-08-01), Sherman
patent: 3434146 (1969-03-01), Petrich
patent: 3611392 (1971-03-01), Knox et al.

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