Abstract
Generation and transport of high-current electron beams are investigated in gas-filled diodes with plasma emitters based on arc and glow discharges. A space-charge neutralized beam with a current up to 1 kA was produced in a diode with a plasma emitter based on an arc discharge for an accelerating voltage of 15 kV. The beam is constricted from 8 cm down to 1 cm in diameter by a self-magnetic field and is transported through a distance of over 20 cm with an efficiency of 70%. A beam with a current of 80 A and a current density up to 100 A/cm2 was produced in a glow-discharge diode. The beam was transported through a distance of 30 cm in a weak axial magnetic field with induction B = 0.015 T.
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Devyatkov, V.N., Koval, N.N. & Schanin, P.M. Generation of High-Current Low-Energy Electron Beams in Systems with Plasma Emitters. Russian Physics Journal 44, 937–946 (2001). https://doi.org/10.1023/A:1014305905574
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DOI: https://doi.org/10.1023/A:1014305905574