Mechanism for initiation of pseudospark discharge by ions ejected from the anode side

Klaus Frank, Yu D. Korolev, A. I. Kuzmichev

    Research output: Contribution to journalArticle

    6 Citations (Scopus)

    Abstract

    This paper presents a discussion of the discharge formation mechanism for a pseudospark switch at the conditions when the discharge is initiated by an ion beam ejected from the anode side. Experimental data show that the switch is triggered only in case when the cathode has a cavity. Then, the major factor effecting in the discharge initiation is the space charge of positive ions, which forms in the cavity. Due to this charge, the electric field is distorted in such a manner that a potential trap for secondary cathode electrons appears and the oscillatory motion of electrons provides for intense generation of plasma inside the cavity. The hollow cathode plasma serves as a source of an electron beam for the main gap, so that the switch is finally triggered under the effect of this beam.

    Original languageEnglish
    Pages (from-to)357-362
    Number of pages6
    JournalIEEE Transactions on Plasma Science
    Volume30
    Issue number1 III
    DOIs
    Publication statusPublished - 1 Feb 2002

    Fingerprint

    anodes
    switches
    cavities
    cathodes
    ions
    hollow cathodes
    positive ions
    space charge
    electrons
    ion beams
    traps
    electron beams
    electric fields

    Keywords

    • Discharge initiation mechanism
    • Hollow cathode pulsed discharge
    • Low-pressure pulsed discharge
    • Pseudospark switch

    ASJC Scopus subject areas

    • Physics and Astronomy(all)
    • Condensed Matter Physics

    Cite this

    Mechanism for initiation of pseudospark discharge by ions ejected from the anode side. / Frank, Klaus; Korolev, Yu D.; Kuzmichev, A. I.

    In: IEEE Transactions on Plasma Science, Vol. 30, No. 1 III, 01.02.2002, p. 357-362.

    Research output: Contribution to journalArticle

    Frank, Klaus ; Korolev, Yu D. ; Kuzmichev, A. I. / Mechanism for initiation of pseudospark discharge by ions ejected from the anode side. In: IEEE Transactions on Plasma Science. 2002 ; Vol. 30, No. 1 III. pp. 357-362.
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