Electron Trapping in Self-Modulated Laser Wakefields by Raman Backscatter

C. I. Moore, A. Ting, K. Krushelnick, E. Esarey, R. F. Hubbard, B. Hafizi, H. R. Burris, C. Manka, and P. Sprangle
Phys. Rev. Lett. 79, 3909 – Published 17 November 1997
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Abstract

Simultaneous measurements of high energy electrons and plasma-wave characteristics have been conducted in a self-modulated laser-wakefield accelerator. Approximately 108 electrons were accelerated from the background plasma to energies greater than 1 MeV with a peak energy of approximately 30 MeV. A strong correlation between the plasma-wave amplitude and electron production was measured with no evidence of wave breaking. Simulations indicate plasma electrons are trapped by the low-phase-velocity beat waves produced by backward Raman scattering.

  • Received 2 April 1997

DOI:https://doi.org/10.1103/PhysRevLett.79.3909

©1997 American Physical Society

Authors & Affiliations

C. I. Moore, A. Ting, K. Krushelnick, E. Esarey, R. F. Hubbard, B. Hafizi, H. R. Burris, C. Manka, and P. Sprangle

  • Beam Physics Branch, Plasma Physics Division, Naval Research Laboratory, Washington, D.C. 20375

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Issue

Vol. 79, Iss. 20 — 17 November 1997

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