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Laser Excitation of Wakefields in a Parabolic Plasma Channel

R. Annou·V. K. Tripathi·R. K. Jarwal·A. K. Sharma
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Abstract

A Gaussian laser pulse with a square profile in time propagating in a parabolic plasma channel, exerts a ponderomotive force on electrons that drives a large amplitude electrostatic wake potential phi. An analytic solution for phi is possible when a characteristic relation is fulfilled. For pulse duration tau ~ 9 tau_p / 4, where tau_p is the plasma period, the plasma wake potential on the axis is twice the ponderomotive potential phi_0.

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R. Annou, V. K. Tripathi, R. K. Jarwal, A. K. Sharma. 2005-11-12. Laser Excitation of Wakefields in a Parabolic Plasma Channel. https://arxiv.org/abs/physics/0511108

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