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Generation and transport of high-current, low-energy electron beams in a system with a gas-filled diode

  • Gas Discharges, Plasmas
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Abstract

Investigations of the generation and transport of a high-current, low-energy electron beam are performed in a system with a gas-filled diode based on a plasma cathode. At accelerating voltages of up to 20 kV and pressures of (1–5)×10−1 Pa, a beam with an emission current of 600 A, emission current density of 12 A/cm2 and pulse duration of 30 µs if obtained in a diode with a grid-stabilized emission opening having a diameter equal to 8 cm. The beam is transported in the absence of an external magnetic field over a distance of 20 cm. The beam is compressed by its self-magnetic field, and the current density at the collector reaches 100 A/cm2 when the beam diameter is 3 cm.

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Authors and Affiliations

  1. Institute of High-Current Electronics, Siberian Branch of the Russian Academy of Sciences, 634055, Tomsk, Russia

    V. N. Devyatkov, N. N. Koval’ & P. M. Shchanin

Authors
  1. V. N. Devyatkov
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  2. N. N. Koval’
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  3. P. M. Shchanin
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Additional information

Zh. Tekh. Fiz. 68, 44–48 (January 1998)

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Devyatkov, V.N., Koval’, N.N. & Shchanin, P.M. Generation and transport of high-current, low-energy electron beams in a system with a gas-filled diode. Tech. Phys. 43, 39–43 (1998). https://doi.org/10.1134/1.1258932

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  • DOI: https://doi.org/10.1134/1.1258932

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