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Physical mechanism of pulse shorten in coaxial virtual cathode oscillator (VCO) is analyzed theoretically. Anode plasma is one of the most key factors in causing pulse shorten according to the analytical results. Pulse shorten is suppressed based on controlling of generation and diffusing of anode plasma. GW level experiment has been designed to verify the above conclusion. The effects of process...
Summary form only given. A 95 GHz gyrotron capable of generating CW power levels in excess of 2 MW is currently under development at CPI. The gyrotron makes use of a single-anode electron gun that produces a 90-kV, 75-A electron beam for interaction with the TE22,6,1 cavity mode. Microwave power produced in the interaction cavity is transformed into a fundamental Gaussian beam using an internal waveguide...
A 95 GHz gyrotron capable of generating CW power levels in excess of 2 MW is currently under development at CPI. Key design features of the gyrotron and the results of two experimental campaigns are described.
A new 3.7 GHz 700 kW CW klystron has been successfully tested for the energy upgrade of TORE SUPRA facility. This tube has been designed with large thermal margin which shall ensure high operational reliability and high manufacturing yield for the production under progress.
The first operation of a plasma maser /1/, utilizing High-Current REB showed the possibility of Cherenkov radiation of intense microwaves from plasma waveguides and therefore the possibility of constructing single-mode High - Power microwave generators using REB. The parameters of the Plasma Cherenkov Maser such as threshold plasma density, startup current of the utilized relativistic electron beam...
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