Formation of a non-relativistic, high-current electron beam in a gas-filled diode
The formation process and some specifications of a high-current electron beam in dependence on pressure and kind of the working gas (argon, air, helium) filling the diode as well as on induction of an external guide magnetic field were investigated. Initiation of explosive emission was performed with the use of arc plasma sources built-in to a copper disc cathode. It was shown, that a beam current and its pulse energy increase monotonically with the magnetic field induction. The dependence of a beam pulse energy on the gas pressure is, on contrary, non-monotonic. At first, the beam pulse energy increases with the pressure and then it falls down due to the development of plasma-beam discharge causing the decrease of the diode impedance and shortening of the beam pulse duration.
Keywords
high-current electron beam,
arc plasma sources,
gas-filled diode,
beam pulse energy,
guide magnetic fieldAuthors
| Kiziridi P.P. | Institute of High Current Electronics SB RAS | kiziridi_pavel@mail.ru |
| Ozur G.E. | Institute of High Current Electronics SB RAS | ozur@lve.hcei.tsc.ru |
Всего: 2
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