Excitation of wakefields in a plasma channel by a laser pulse

Details Excitation of wakefields in a plasma channel by a laser pulse Excitation of wakefields in a plasma channel by a laser pulse

2005-10-04

arxiv.org/abs/physics/0510025v1

Physics

Plasma Physics

6 pages. See also physics/0510014

Scientific paper

The excitation of wakefields by a triangular temporal profile laser pulse with an abrupt fall in a step density profile plasma channel is investigated analytically and an exact solution is obtained. The excitation is more efficient for t~tp, where t is the rise time of the pulse and tp is the plasma period, though it is still significant for t~20 tp. The wake potential in the former case is 1.7 times the ponderomotive potential, whereas it falls to 1.4 times the ponderomotive potential for the latter.

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