• DocumentCode
    1517045
  • Title

    Sensitive Dependence of Efficiency on Cathode-Wall Position in a Coaxial Vircator—Numerical Studies

  • Author

    Biswas, Debabrata ; Kumar, Raghwendra

  • Author_Institution
    Theor. Phys. Div., BARC, Mumbai, India
  • Volume
    39
  • Issue
    7
  • fYear
    2011
  • fDate
    7/1/2011 12:00:00 AM
  • Firstpage
    1573
  • Lastpage
    1576
  • Abstract
    A simple coaxial virtual cathode oscillator is studied in this paper by varying the wall position of the cathode holder. It is shown that power surges occur at discrete reflector (wall) positions. Efficiency levels above 10% are observed for tens of nanoseconds.
  • Keywords
    cathodes; numerical analysis; oscillators; vircators; cathode holder; cathode-wall position; coaxial vircator; discrete reflector wall positions; numerical studies; simple coaxial virtual cathode oscillator; Anodes; Cathodes; Cavity resonators; Electron beams; Microwave oscillators; Plasmas; Microwave; open drift tube; particle-in-cell (PIC); virtual cathode oscillator (vircator);
  • fLanguage
    English
  • Journal_Title
    Plasma Science, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0093-3813
  • Type

    jour

  • DOI
    10.1109/TPS.2011.2146792
  • Filename
    5767558