Experimental demonstration of an electromagnetically pumped free-electron laser with a cyclotron-harmonic idler

R. A. Kehs, Y. Carmel, V. L. Granatstein, W. W. Destler

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

A three-wave, free-electron laser was operated with a powerful 8.4-GHz electromagnetic "pump" wave replacing the usual magnetostatic wiggler. The presence of a uniform axial magnetic field B0 produced cyclotron-harmonic "idler" waves. Peaks in the emission spectrum corresponding to cyclotron harmonics were observed covering a frequency range from 16.5 to 130 GHz. The frequency spectrum of this novel free-electron laser mechanism was tuned continuously by variation of B0.

Original languageEnglish
Pages (from-to)279-281
Number of pages3
JournalPhysical Review Letters
Volume60
Issue number4
DOIs
StatePublished - 1 Jan 1988
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy

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