Wideband polarization coupler

Details Wideband polarization coupler Wideband polarization coupler

1978-06-22

1979-09-11

Gensler, Paul L.

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333 21A, 333251, H01P 116, H01P 512

Patent

active

041677153

ABSTRACT:
The present invention provides a polarization coupler which is capable of coupling or separating dual linear polarized microwave signals having frequencies which extend over extremely wide frequency bands. The present polarization coupler (11) comprises a main waveguide (12) and a side-arm waveguide (13) with a plurality of septa (16) arranged at the junction to reflect energy of a first polarization (E.sub.1) between the main and side-arm waveguide while energy of a second polarization (E.sub.2) passes the junction unaffected. The side-arm waveguide includes an odd plurality of triangular-shaped plates (14) each with a separate spaced-apart chevron-shaped plate (20) extending therefrom and arranged to reflect electromagnetic energy in a separate first and second frequency band, respectively, of the second polarization back to the junction, a single septum (22) disposed in alignment with the central one of the triangular-shaped and chevron-shaped plates, and a pair of parallel spaced-apart irises (17, 18) at the junction.

REFERENCES:
patent: 2961618 (1960-11-01), Ohm
patent: 2975380 (1961-03-01), Scharfman
patent: 3162828 (1964-12-01), Schmidt et al.
patent: 3327250 (1967-06-01), Sleeper, Jr.
patent: 3369197 (1968-02-01), Giger et al.
patent: 4047128 (1977-09-01), Morz

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