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Nonlinear Pump Depletion and Electron Dephasing in Laser Wakefield Accelerators
2004
AIP Conference Proceedings
Preserved Fulltext
The nonlinear evolution of sub-ps laser pulses in underdense plasmas is analyzed for arbitrary laser intensity. Expressions for the nonlinear pump depletion, pulse steepening, and frequency shift of the laser pulse are derived. Numerical calculations based on fluid models that show the interplay between electron dephasing and pump depletion are presented. Implications for an optimized design of a 1 GeV laser-plasma-based accelerator stage are discussed.
doi:10.1063/1.1842594
fatcat:oqmmqj7jergdbklhbw3unz4xn4