Phys. Rev. A 82, 013823 (2010) [7 pages]Direct particle acceleration by two identical crossed radially polarized laser beamsReceived 9 May 2010; published 21 July 2010 Electrons and α particles injected midway between two ultrahigh intensity crossed laser beams of radial polarization are shown to be accelerated in vacuum to several gigaelectron volts and to have average energy gradients in excess of 150 GeV/m. A unique model of the crossing beams is suggested, which maximizes the particle energy gain and minimizes the particle-beam diffraction. © 2010 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.82.013823
DOI:
10.1103/PhysRevA.82.013823
PACS:
41.75.Jv, 42.65.-k, 52.75.Di
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