High Peak Power Ka-Band Gyrotron Oscillator Experiments with Slotted and Unslotted Cavities

S. H. Gold, A. W. Fliflet, W. M. Manheimer, D. L. Hardesty, A. K. Kinkead, M. Sucy, R. B. McCowan, R. C. Lee, V. L. Granatstein

Research output: Contribution to journalArticlepeer-review

Abstract

A Ka-band gyrotron oscillator powered by a compact pulse- line accelerator has been operated using oscillator cavities with and without axial slots. The use of axial slots has been shown to suppress low starting current “whispering-gallery” modes, in particular, modes of the TEm2 type, allowing stable operation in a linearly polarized TE13 mode. A peak power of 35 MW has been observed at 6-percent efficiency.

Original languageEnglish (US)
Pages (from-to)142-148
Number of pages7
JournalIEEE Transactions on Plasma Science
Volume16
Issue number2
DOIs
StatePublished - Apr 1988
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Condensed Matter Physics

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