Additively Manufactured Circular-Linear Polarization Converter using Circular Waveguide

This paper details the design of a novel circular-linear polarization converter using circular waveguide with elliptical corrugations to be constructed using additive manufacturing, making use of the technique's ability to create otherwise difficult geometries and rapid prototyping capabilities. The designed converter has under 1 dB of insertion loss and below 20 dB cross-polarization in its operating band.