Phys. Rev. ST Accel. Beams 5, 030701 (2002) [8 pages]Impact of electron beam quality on nonlinear harmonic generation in high-gain free-electron lasers
Nonlinear harmonic generation can be a very useful and important phenomenon for single-pass free-electron lasers (FELs) operating in the high-gain regime. Strong bunching at the fundamental wavelength and its associated higher harmonic content allow significant radiation at shorter wavelengths to be emitted without serious effects upon the output power at the fundamental. Here, we analyze the relative sensitivities to beam quality variations of the output fundamental and harmonic powers for a visible-wavelength FEL operating in the high-gain regime. This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevSTAB.5.030701
DOI:
10.1103/PhysRevSTAB.5.030701
PACS:
41.60.Cr, 42.65.Ky, 52.59.-f, 42.72.Bj
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