Axial Magnetic-Field Effects in a Collective-Interaction Free-Electron Laser at Millimeter Wavelengths

Axial Magnetic-Field Effects in a Collective-Interaction Free-Electron Laser at Millimeter Wavelengths

The collective free-electron laser interaction has been studied at millimeter wavelengths using a newly designed experimental apparatus which features an electron beam of low emittance. Measurements in a superradiant amplifier configuration indicate the production of 35 MW at approximately 4 mm with...

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Veröffentlicht in:Phys. Rev. Lett.; (United States) 1982-01, Vol.48 (4), p.238-242
Hauptverfasser: Parker, R. K., Jackson, R. H., Gold, S. H., Freund, H. P., Granatstein, V. L., Efthimion, P. C., Herndon, M., Kinkead, A. K.
Format: Artikel
Sprache:eng
Schlagworte:
CORRELATIONS
DATA
EFFICIENCY
ENERGY
ENGINEERING
EXPERIMENTAL DATA
FLUCTUATIONS
FREE ELECTRON LASERS
INFORMATION
INTERACTIONS
LASERS
MAGNETIC FIELDS
NUMERICAL DATA
POWER
THRESHOLD ENERGY
VARIATIONS 420300 > Engineering-- Lasers-- (-1989)
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Zusammenfassung:The collective free-electron laser interaction has been studied at millimeter wavelengths using a newly designed experimental apparatus which features an electron beam of low emittance. Measurements in a superradiant amplifier configuration indicate the production of 35 MW at approximately 4 mm with an efficiency of 2.5%. The parametric dependences of power thresholds and wavelength on pump and guide magnetic fields are shown to be in agreement with theory.
ISSN:0031-9007
DOI:10.1103/PhysRevLett.48.238