Demonstration Of Large Electron-Beam Energy Extraction By A Tapered-Wiggler Free-Electron Laser

16 February 1984

proceedings article
Published by SPIE-Intl Soc Optical Eng

p. 52-58
https://doi.org/10.1117/12.947076

Abstract

Electron-beam energy spectral measurements were made on a tapered-wiggler free-electron laser amplifier. A 10 MeV electron beam from a traveling-wave linear accelerator interacted in a tapered-wiggler with an intense 10.6pm CO2 laser beam. The electron spectra show a 4 percent net energy loss and a 9 percent peak loss. Measurements of electron energy spectra, extraction efficiency as a function of electron-beam energy, and extraction efficiency as a function of optical power are presented and are consistent with theoretically predicted performance.

Keywords

ELECTRONS
AMPLIFIERS
ELECTRON BEAM
LINEAR ACCELERATOR
TRAVELING WAVE
CARBON DIOXIDE

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