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Coaxial TEM to circular waveguide TM01 mode transducer designs with wide bandwidth and compact size are presented in this paper. The coaxial feed with its centre conductor extended as a cone, is applied at the axis of a circular waveguide. Further modifications in the conical shape monopole are proposed (skirt and inverted cone), which result in a wide bandwidth (28.5% and 33.8% respectively) of TM01...
A transition waveguide with corrugations is proposed to connect Virtual Cathode Oscillator (Vircator) to mode converter. The Transition is compact in size and overmoded transmission is possible with high efficiency. Such transition is useful for high power microwave sources, where output consists of TM01 and TE11 modes, and both modes need to be transmitted. The proposed waveguide is designed for...
In this paper, mode conversion method in a circular waveguide, based on dielectric phase shift is proposed. Radiation from high power microwave sources generally consists of null or minimum power on the axis, due to presence of TM01 mode. To get the maximum power on the axis, TM01 mode can be converted into dominant TE11 mode. Conventional TM01 to TE11 mode converters are serpentine-profile circular...
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