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A new LHW antenna will be used in LHCD system on tokanak HT-7U, where a high-power microwave waveguide power divider is a key device. This paper presents the power divider structure whose coupling element is in the common narrow wall between two identical waveguides, a certain of which is completely excavated. Green’s Function Method is used to analyze the electric field distributions of the structure, and consequently the graphs between the scattering matrix and the geometrical dimensions are given. The graphs can be straightly applied to the process of the power divider.
A new LHW antenna will be used in LHCD system on tokanak HT-7U, where a high-power microwave waveguide power divider is a key device. This paper presents the power divider structure whose coupling element is in the common narrow wall between two identical waveguides , a certain of which is completely excavated. Green’s Function Method is used to analyze the electric field distributions of the structure, and the graphs between the scattering matrix and the geometrical dimensions are given. The graphs can be straightly applied to the process of the power divider.