Microsecond Electron Beam Source with Electron Energy Up to 400 Kev and Plasma Anode

A new high-power source of electrons with plasma anode for producing high-current microsecond electron beams with electron energy up to 400 keV has been developed, manufactured, and put in operation. To increase the cross section and pulse current duration of the beam, a multipoint explosive emissio...

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Bibliographic Details
Published in:Russian physics journal 2017-12, Vol.60 (8), p.1449-1454
Main Authors: Abdullin, É. N., Basov, G. F., Shershnev, S.
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
ANODES
CATHODES
Condensed Matter Physics
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
CROSS SECTIONS
ELECTRIC POTENTIAL
ELECTRON BEAMS
Electron energy
ELECTRONS
Hadrons
Heavy Ions
Insulation
KEV RANGE
Lasers
MAGNETIC FIELDS
MARX GENERATORS
Mathematical and Computational Physics
MELTING
Metal surfaces
METALS
Nuclear Physics
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
PLASMA
PULSES
SURFACES
Theoretical
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Description
Summary:A new high-power source of electrons with plasma anode for producing high-current microsecond electron beams with electron energy up to 400 keV has been developed, manufactured, and put in operation. To increase the cross section and pulse current duration of the beam, a multipoint explosive emission cathode is used in the electron beam source, and the beam is formed in an applied external guiding magnetic field. The Marx generator with vacuum insulation is used as a high-voltage source. Electron beams with electron energy up to 300–400 keV, current of 5–15 kA, duration of 1.5–3 μs, energy up to 4 kJ, and cross section up to 150 cm 2 have been produced. The operating modes of the electron beam source are realized in which the applied voltage is influenced weakly on the current. The possibility of source application for melting of metal surfaces is demonstrated.
ISSN:1064-8887
1573-9228
DOI:10.1007/s11182-017-1234-0