Systems and methods for rotating polarization of radio frequency waves

A method for rotating polarization of radio frequency (RF) waves, the method comprising:

• receiving, at an integrated waveguide twist assembly, linearly-polarized RF waves, the integrated waveguide twist assembly comprising:
• a flange coupled to a waveguide interface at a first side of the flange, the flange comprising:
• a recess at the first side of the flange;
• a rectangular cavity through the flange and located in the recess;
• and
• pins extending from the recess;
• a plurality of shims configured for stacking in the recess, wherein the shims each comprise:
• a rectangular cavity;
• and
• holes configured to receive the pins and position the plurality of shims in the recess such that the rectangular cavities form a spiral;
• and
• rotating, by the formed spiral, polarization of the RF waves received at the integrated waveguide twist assembly from a first polarization to a second polarization angularly rotated from the first polarization.