Phys. Rev. Lett. 98, 234801 (2007) [4 pages]Stochastic Extraction of Periodic Attosecond Bunches from Relativistic Electron BeamsReceived 23 February 2007; published 5 June 2007 Intense laser waves can form a time-dependent gate, which transmits or reflects particles depending on their initial phases. When faced by a relativistic electron beam, such a barrier slices it by randomly scattering all but some particles, which nearly conserve their velocity. Subfemtosecond or attosecond periodic electron bunches are then formed downstream and can be used, for example, to generate coherent x rays via Thomson backscattering of the laser light. © 2007 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.98.234801
DOI:
10.1103/PhysRevLett.98.234801
PACS:
41.85.Ar, 41.75.Ht, 52.35.Mw
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