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Summary form only given. The generation of high-power microwaves from a radially extracted vircator has been studied experimentally at diode voltages from 660 kV to 1 MV and at diode currents from 48 kA to 75 kA. The structure of this vircator is novel in preserving the symmetry between the real cathode and the virtual cathode so that pure frequencies can be produced. In this vircator, a 15-μm...
Summary form only given. A high-power microwave pulse with an achieved frequency stabilization and repeatable narrowband operation has been generated in a new radially extracted reflex triode. This triode is composed of a velvet-covered real cathode, a 15-μm Al foil anode in the middle of the small dimension of the WR-650 rectangular waveguide, and a virtual cathode at the image side of the...
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