Formation of high-current electron beams in dense gases

Victor F. Tarasenko; Sergey I. Yakovlenko; Victor M. Orlovskii; A. N. Tkachev; Sergey A. Shunailov

doi:10.1117/12.562986

3 May 2004 Formation of high-current electron beams in dense gases

Victor F. Tarasenko, Sergey I. Yakovlenko, Victor M. Orlovskii, A. N. Tkachev, Sergey A. Shunailov

Proceedings Volume 5483, Atomic and Molecular Pulsed Lasers V; (2004) https://doi.org/10.1117/12.562986
Event: Atomic and Molecular Pulsed Lasers V, 2003, Tomsk, Russian Federation

Abstract

Subnanosecond electron beams with the record current amplitude (~70 A in air and ~200 A in helium) were produced at the atmospheric pressure. The optimal generator open-circuit voltage was found for which the electron-beam current amplitude produced in a gas diode was maximal behind a foil. It was established that electron beam was produced at the stage when the cathode plasma closely approaches anode. It was shown that a high-current beam can be produced at high pressures because of the presence of the upper branches in the curves characterizing the electron-escape (runaway) criterion and the discharge-ignition criterion (Paschen curve).

Citation Download Citation

Victor F. Tarasenko, Sergey I. Yakovlenko, Victor M. Orlovskii, A. N. Tkachev, and Sergey A. Shunailov "Formation of high-current electron beams in dense gases", Proc. SPIE 5483, Atomic and Molecular Pulsed Lasers V, (3 May 2004); https://doi.org/10.1117/12.562986

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