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A six-vane relativistic magnetron with a single radial output slot is studied by 3-D particle in cell simulations without the presence of plasma. We find that when the six radial slots in the anode block are closed at their axial ends by conducting endcaps, the power flow behaves in a way different from that when they are not. When there are no endcaps, microwave power pulse-shortening is the result...
Summary form only given. Anode plasma formation in virtual cathode oscillator (vircator) is unavoidable because of the striking and heating of anode by intense electron beam, which affects important vircator physics issues especially the generation of high- power microwave (HPM). By theoretical and simulation methods, it is found that energy deposition which may cause serious temperature rise in anode...
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