Phys. Rev. Lett. 93, 194801 (2004) [4 pages]Electron-Beam Conditioning by Thomson ScatteringReceived 26 September 2003; revised 25 November 2003; published 1 November 2004 A method is proposed for conditioning electron beams via Thomson scattering. The conditioning provides a quadratic correlation between the electron energy deviation and the betatron amplitude of the electrons, which results in enhanced gain in free-electron lasers. Quantum effects imply conditioning must occur at high laser fluence and moderate electron energy. Conditioning of x-ray free-electron lasers should be achievable with present laser technology, leading to significant size and cost reductions of these large-scale facilities. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.93.194801
DOI:
10.1103/PhysRevLett.93.194801
PACS:
41.60.Ap, 29.27.Eg, 41.60.Cr, 41.75.Ht
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