Antenna feeding system

Balanced phase septum polarizer

Birefringent corrugated waveguide

Broad band polarizer with a low degree of ellipticity

Broad band quad ridged polarizer

Broadband high precision circular polarizers and retarders...

Broadband polarization filter

Circular polarizer having two waveguides formed with coaxial...

Circular polarizer using conductive and dielectric fins in a...

Circular polarizer using interlocked conductive and...

Circular TM.sub.01 to TE.sub.11 waveguide mode converter

Circular to linear polarization converter

Circular to rectangular waveguide converter including a bend...

Circular-linear polarizer including flat and curved portions

Circularly polarized evanescent mode radiator

Circularly polarized wave generator using a dielectric plate...

Circularly polarized wave-linearly polarized wave transducer

Coaxial waveguide feed with reduced outer diameter

Compact orthomode transducer with improved...

Compact waveguide converter apparatus