Selectable linear or circular polarization network

Details Selectable linear or circular polarization network Selectable linear or circular polarization network

1980-11-24

1982-10-05

Gensler, Paul L.

Wave transmission lines and networks

Wave mode converters

333257, H01P 1165, H01P 117

Patent

active

043530419

ABSTRACT:
This specification discloses a polarization network for selectively converting between linear and circular polarization. The network includes a twistable waveguide having a generally rectangular cross section. Coupled to the twistable rectangular waveguide is a transducer waveguide which acts as an interface between the rectangular waveguide and circular waveguide. A polarizer having a generally circular cross section is coupled to the transducer waveguide and can convert transmitted electromagnetic waves between linear and circular polarization. A coupling means permits relative rotation between the transducer waveguide and the polarizer and selective securing at any of three rotational positions. A first position permits a linearly polarized signal to pass through the polarizer remaining linearly polarized. A second position converts between a linearly polarized signal and a right hand circularly polarized signal. A third position converts between a linearly polarized signal and a left hand circularly polarized signal. Second coupling means between the polarizer and circular horn waveguide permits arbitrary orientation of a linearly polarized signal within the cross-sectional plane.

REFERENCES:
patent: 4087746 (1978-05-01), Kanae

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