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An electron gun has been designed to produce a beam f01' generation of high-power microwaves and IR-radiation. It has the following design parameters: energy of electrons 300–500 ke V, beam current > 100 A, longitudinal momentum spread < 1 %, pulse duration 10 µs, repetition rate up to 10Hz. A plane, ring-shaped, thermionic lantanum hexaboride cathode, having a 28-mm average radius and...
There has been investigated a wave regime of operation of vacuum transmission lines in the presence of a supplemental magnetic field due to a current from an external source applied to the central electrode of the coaxial line. Experiments were performed in the 100–600 kV voltage range. The introduction of a supplemental magnetic field makes it possible to control the propagation velocity of the wave...
Many important physical and technical problems are related to beam transportation in vacuum channels, energy transportation in vacuum transmission lines, and to possibilities of energy and power compression. All these problems require a common approach, e.g., control of high-current electron flows in a two-electrode geometry. We discuss here some related investigations carried out in the P. N. Lebedev...
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