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Efficiency enhancement of THz radiation from an electron bunch in a waveguide due to low-frequency stabilization

  • Yu S. Oparina
  • , V. L. Bratman
  • , Yu Lurie
  • , A. V. Savilov

Research output: Contribution to journalConference articlepeer-review

Abstract

Simultaneous generation of pulses of high-frequency Super-Radiance and low-frequency Coherent Spontaneous Radiation from an ultra-relativistic electron bunch moving in a waveguide placed in a spatially periodic and / or uniform longitudinal magnetic field is studied. The low-frequency radiation can weaken expansion of the bunch and decrease a velocity spread. This significantly improves electron micro-bunching and increases energy of high-frequency pulses. Such effect makes possible fairly efficient high-frequency cyclotron radiation of the bunch near an autoresonance regime, when the wave phase velocity is very close to speed of light.

Original languageEnglish
Article number012058
JournalJournal of Physics: Conference Series
Volume1697
Issue number1
DOIs
StatePublished - 17 Dec 2020
EventInternational Conference PhysicA.SPb 2020 - Saint Petersburg, Russian Federation
Duration: 19 Oct 202023 Oct 2020

ASJC Scopus subject areas

  • General Physics and Astronomy

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