Phys. Rev. E 71, 026603 (2005) [10 pages]Acceleration of electrons from rest to GeV energies by ultrashort transverse magnetic laser pulses in free spaceReceived 25 April 2004; published 8 February 2005 In this paper we describe a laser acceleration scheme where an electron is accelerated from rest to GeV energies by the longitudinal electric field of an ultrashort transverse magnetic (TM01) optical pulse. The on-axis longitudinal electric field of the pulse is obtained from the free-space divergence equation beyond the so-called slowly-varying-envelope approximation. The instantaneous electron dynamics is studied; numerical simulations predict net energy gains in the GeV range for laser intensities reaching 1022 W∕cm2. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevE.71.026603
DOI:
10.1103/PhysRevE.71.026603
PACS:
41.20.−q, 03.50.De, 96.50.Pw, 41.75.Jv
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