Abstract : The acceleration of electrons to ≃0.8 GeV has been observed in a self-injecting laser wakefield accelerator driven at a plasma density of 5.5×10^18 cm^-3 by a 10 J, 55 fs, 800 nm laser pulse in the blowout regime. The laser pulse is found to be self-guided for 1 cm (>10zR), by measurement of a single filament containing >30% of the initial laser energy at this distance. Three-dimensional particle in cell simulations show that the intensity within the guided filament is amplified beyond its initial focused value to a normalized vector potential of a0>6, thus driving a highly nonlinear plasma wave.
https://hal-polytechnique.archives-ouvertes.fr/hal-00508862
Contributor : Thuy Le
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Submitted on : Friday, August 6, 2010 - 2:46:01 PM
Last modification on : Wednesday, August 7, 2019 - 2:34:15 PM
S. Kneip, S. R. Nagel, S. F. Martins, S.P.D Mangles, C. Bellei, et al.. Near-GeV Acceleration of Electrons by a Nonlinear Plasma Wave Driven by a Self-Guided Laser Pulse. Physical Review Letters, American Physical Society, 2009, 103 (3), pp.035002. ⟨10.1103/PhysRevLett.103.035002⟩. ⟨hal-00508862⟩
