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Compression of Frequency-Modulated Pulses using Helically Corrugated Waveguides and Its Potential for Generating Multigigawatt rf Radiation

Research output: Contribution to journalJournal article

  • S. V. Samsonov
  • A.D.R. Phelps
  • V. L. Bratman
  • G. Burt
  • G. G. Denisov
  • A. W. Cross
  • K. Ronald
  • W. He
  • H. Yin
<mark>Journal publication date</mark>2004
<mark>Journal</mark>Physical Review Letters
Issue number11
Pages (from-to)118301 -118301
<mark>Original language</mark>English


A new method to generate ultrahigh-power microwave pulses compatible with mildly relativistic electron sources is proposed. This method involves a novel microwave compressor in the form of a metal helically corrugated waveguide, which can enhance the power of frequency-modulated nanosecond pulses up to the multigigawatt level. The results of the proof-of-principle experiments at kilowatt power levels are in good agreement with theory.