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A novel TM01 to TE11 mode converter with aligned ports, wide bandwidth and high conversion efficiency is proposed. Mode conversion is performed with a circular waveguide partitioned into two semicircular sections with different path length. Lower semicircular section has a cosine profile to provide a path difference of Ag/2 for the mode conversion. Mode converter was designed and simulated at 3GHz...
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 compact to mode converter having a linear shape and high conversion efficiency is proposed. A tapered metallic baffle at the centre and rectangular ridges on both sides of the baffle at the inner walls of waveguide are placed to achieve wide mode conversion bandwidth. The mode converter is designed and simulated for an operating frequency of 3.2 GHz. The ...
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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