Near-GeV Acceleration of Electrons by a Nonlinear Plasma Wave Driven by a Self-Guided Laser Pulse
Stefan Kneip,S. R. Nagel,S F Martins,Stuart Mangles,C. Bellei,Oleg Chekhlov,R. J. Clarke,Nicolas Delerue,E. J. Divall,G. Doucas,Klaus Ertel,Frederico Fiuza,Ricardo Fonseca,Peta Foster,S. J. Hawkes,C. J. Hooker,Karl Krushelnick,Warren Mori,Charlotte Palmer,K. Ta Phuoc,P. P. Rajeev,Jörg Schreiber,M. J. V. Streeter,D Urner,Jorge Vieira,Luis O. Silva,Zulfikar Najmudin +26 more
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TLDR
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.Abstract:
The acceleration of electrons to approximately 0.8 GeV has been observed in a self-injecting laser wakefield accelerator driven at a plasma density of 5.5x10(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.read more
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