Advances in plasma-filled, relativistic, slow wave microwave sources

Y. Carmel, A. Shkvarunets, S. Kobayashi, J. Rodgers, G. S. Nusinovich, T. M. Antonsen, V. L. Granatstein

Research output: Contribution to journalConference articlepeer-review

Abstract

Significant improvements in the performance of microwave sources, both nonrelativistic and relativistic, have been achieved in recent years by introducing a controlled amount of background plasma. Recent advances in plasma-filled relativistic devices-both experimental and theoretical-are reviewed. In particular, plasma filling has been credited with increasing the electron beam current and frequency tunability (approximately 300%). The formation of hybrid waves in plasma-filled corrugated slow wave structures and the role of these modes in improving the beam/wave coupling will also be discussed. We review those issues as well as recent experimental results of plasma-loaded backward wave oscillators (BWO) operating over wide range of beam currents (0.8-4 kA) and plasma densities (1010-10-13 cm-3).

Original languageEnglish
Pages (from-to)90
Number of pages1
JournalIEEE International Conference on Plasma Science
StatePublished - 1 Dec 1999
Externally publishedYes
EventThe 26th IEEE International Conference on Plasma Science (ICOPS99) - Monterey, CA, USA
Duration: 20 Jun 199924 Jun 1999

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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