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Symmetrized coupler converting circular waveguide TM01 mode to rectangular waveguide TE10 mode

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
A coupler for converting rf power traveling in the TM01 mode in a circular waveguide to the TE10 mode in a rectangular waveguide. The circular waveguide has an extension comprising an evanescent tube through the coupler allowing the propagation of a particle beam but disallowing the propagation of rf wave in the tube.
Smirnov, Alexei V. (Rancho Palos Vrds, CA), Yu, David U.L. (Rancho Palos Vrds, CA)
DULY Research Inc.
11/ 522,149
September 14, 2006
GOVERNMENT RIGHTS [0001] This invention was made with government support under Grant No. DE-FG03-01ER83232 awarded by the Energy Department. The government may have certain rights in the invention.