US8497749_page_20

US8497749 | page 20 | https://thedailydialectics.com/pdfs/wipow/US8497749/US8497749.pdf

US 8,497,749 B2 11 generally the simplest way to maintain electric field symme- try and thereby minimize radiation polarized at right angles to the SWTL. The fundamental function of the mode converter can be accomplished using a variety of shapes and materials includ- ing both conductors and…