Half wave plate

Details Half wave plate Half wave plate

1987-01-14

1989-06-20

Gensler, Paul

Wave transmission lines and networks

Wave mode converters

333137, 333248, H01P 1165

Patent

active

048412600

ABSTRACT:
A microwave device including a half wave plate for a microwave power combiner, attenuator or variable coupler divider having a circular waveguide portion and a pair of cavities disposed opposite to one another and each coupled to a plurality of slots formed in a wall between said cavities and said circular waveguide. The half wave plate is used to obtain a phase shift in the signals provided to one end of the circular waveguide and is preferably mounted for rotary motion about the center axis of the circular waveguide.

REFERENCES:
patent: 2713151 (1955-07-01), Farr
patent: 2930040 (1960-03-01), Weil
patent: 3215957 (1965-11-01), Dantzig et al.
patent: 4367446 (1983-01-01), Hall
patent: 4520329 (1985-05-01), D'Oro et al.

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