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Conventional MDO configuration (top) and the modified configuration studied in this paper (bottom). The cross section is shown on the left and the cross section, obtained at the dashed-line position, is shown on the right.
Frequency spectra obtained in the magnetron cavity by cold simulation, (a) conventional configuration and (b) modified configuration.
Frequency spectra obtained in the waveguide by cold simulation, (a) conventional configuration and (b) modified configuration.
Azimuthal electric filed obtained at of (top) diode section and (bottom) cylindrical waveguide section for (left) conventional tapered mode converter and modified configurations, (center) and (right) .
Time dependence of output microwave power, obtained for conventional configuration and modified configurations with and , respectively.
Output microwave power and beam-to-microwave conversion efficiency obtained with different values of .
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