Journal article

Low-Power Excitation of Gyrotron-Type Modes in a Cylindrical Wave-Guide Using Quasi-Optical Techniques

Experimental results of low-power excitation of a 118 GHz TE(22,6) rotating mode are presented. A rectangular waveguide is converted to a TE(22,6) circular waveguide mode using quasi-optical techniques. A good conversion efficiency is measured and the experimentally-observed field intensity profiles show the percentage of unwanted modes to be small.


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