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

W. M. Grossman; T. L. Churchill; D. C. Quimby; J. M. Slater; J. Adamski; R. C. Kennedy; D. R. Shoffstall

doi:10.1117/12.947076

16 February 1984 Demonstration Of Large Electron-Beam Energy Extraction By A Tapered-Wiggler Free-Electron Laser

W. M. Grossman, T. L. Churchill, D. C. Quimby, J. M. Slater, J. Adamski, R. C. Kennedy, D. R. Shoffstall

Proceedings Volume 0453, Free-Electron Generators of Coherent Radiation; (1984) https://doi.org/10.1117/12.947076
Event: Free-Electron Generators of Coherent Radiation, 1983, Orcas Island, United States

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.

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W. M. Grossman, T. L. Churchill, D. C. Quimby, J. M. Slater, J. Adamski, R. C. Kennedy, and D. R. Shoffstall "Demonstration Of Large Electron-Beam Energy Extraction By A Tapered-Wiggler Free-Electron Laser", Proc. SPIE 0453, Free-Electron Generators of Coherent Radiation, (16 February 1984); https://doi.org/10.1117/12.947076

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