Phys. Rev. Lett. 96, 165003 (2006) [4 pages]Observation of a Fast Electron Beam Emitted along the Surface of a Target Irradiated by Intense Femtosecond Laser PulsesReceived 10 July 2005; revised 15 February 2006; published 27 April 2006 A novel fast electron beam emitting along the surface of a target irradiated by intense laser pulses is observed. The beam is found to appear only when the plasma density scale length is small. Numerical simulations reveal that the electron beam is formed due to the confinement of the surface quasistatic electromagnetic fields. The results are of interest for potential applications of fast electron beams and deep understanding of the cone-target physics in the fast ignition related experiments. © 2006 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.96.165003
DOI:
10.1103/PhysRevLett.96.165003
PACS:
52.38.Kd, 52.38.Fz
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