Generation of high-power ultrashort electromagnetic pulses on the basis of effects of superradiance of electron bunches

N. S. Ginzburg, I. V. Zotova, I. V. Pegel, V. V. Rostov, V. G. Shpak, M. I. Yalandin

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

One of the promising methods for generation of ultrashort electromagnetic pulses (with duration of about ten periods of high-frequency oscillations) is radiation from spatially localized electron ensembles (bunches), which can be considered a classical analog of Dicke superradiance known in quantum electronics. In classical electronics, superradiance can be related to various mechanisms of stimulated radiation. Until now, cyclotron, undulator, and Čerenkov (in the case of interaction with both copropagating and counterpropagating waves) superradiance of electron bunches as well as superradiance during stimulated scattering of a pump wave have been studied theoretically and experimentally. As a result of these studies based on high-current RADAN and SINUS accelerators and their modifications, a new class of oscillators producing pulsed electromagnetic radiation has been created. They have such unique characteristics as pulses of high peak power (up to 1 GW and 3 GW in the millimeter-and centimeter-wave ranges, respectively) and ultrashort duration (from 300 ps to 1 ns, respectively). In this case, regimes with a peak radiation power exceeding the electron-beam power are experimentally realized. Regimes with high (kilohertz) pulse repetition rate and high average power (up to 2.5 kW) are obtained.

Original languageEnglish
Pages (from-to)762-779
Number of pages18
JournalRadiophysics and Quantum Electronics
Volume50
Issue number10-11
DOIs
Publication statusPublished - 1 Oct 2007
Externally publishedYes

Fingerprint

Superradiance
Electromagnetic pulse
electromagnetic pulses
Electrons
radiation
centimeter waves
Radiation
quantum electronics
electrons
pulse repetition rate
Quantum electronics
Pulse repetition rate
millimeter waves
Wigglers
cyclotrons
high current
electromagnetic radiation
Cyclotrons
accelerators
oscillators

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Statistical and Nonlinear Physics
  • Nuclear and High Energy Physics
  • Astronomy and Astrophysics
  • Electrical and Electronic Engineering

Cite this

Generation of high-power ultrashort electromagnetic pulses on the basis of effects of superradiance of electron bunches. / Ginzburg, N. S.; Zotova, I. V.; Pegel, I. V.; Rostov, V. V.; Shpak, V. G.; Yalandin, M. I.

In: Radiophysics and Quantum Electronics, Vol. 50, No. 10-11, 01.10.2007, p. 762-779.

Research output: Contribution to journalArticle

Ginzburg, N. S. ; Zotova, I. V. ; Pegel, I. V. ; Rostov, V. V. ; Shpak, V. G. ; Yalandin, M. I. / Generation of high-power ultrashort electromagnetic pulses on the basis of effects of superradiance of electron bunches. In: Radiophysics and Quantum Electronics. 2007 ; Vol. 50, No. 10-11. pp. 762-779.
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