All-Optical Steering of Laser-Wakefield-Accelerated Electron Beams

A. Popp, J. Vieira, J. Osterhoff, Zs. Major, R. Hörlein, M. Fuchs, R. Weingartner, T. P. Rowlands-Rees, M. Marti, R. A. Fonseca, S. F. Martins, L. O. Silva, S. M. Hooker, F. Krausz, F. Grüner, and S. Karsch
Phys. Rev. Lett. 105, 215001 – Published 16 November 2010

Abstract

We investigate the influence of a tilted laser-pulse-intensity front on laser-wakefield acceleration. Such asymmetric light pulses may be exploited to obtain control over the electron-bunch-pointing direction and in our case allowed for reproducible electron-beam steering in an all-optical way within an 8 mrad opening window with respect to the initial laser axis. We also discovered evidence of collective electron-betatron oscillations due to off-axis electron injection into the wakefield induced by a pulse-front tilt. These findings are supported by 3D particle-in-cell simulations.

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  • Received 18 June 2009

DOI:https://doi.org/10.1103/PhysRevLett.105.215001

© 2010 The American Physical Society

Authors & Affiliations

A. Popp1,2, J. Vieira3, J. Osterhoff1,2, Zs. Major1,2, R. Hörlein1,2, M. Fuchs1,2, R. Weingartner1,2, T. P. Rowlands-Rees4, M. Marti3, R. A. Fonseca3, S. F. Martins3, L. O. Silva3, S. M. Hooker4, F. Krausz1,2, F. Grüner1,2, and S. Karsch1,2,*

  • 1Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Straße 1, 85748 Garching, Germany
  • 2Department für Physik, Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching, Germany
  • 3GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, 1049-001 Lisboa, Portugal
  • 4Clarendon Laboratory, University of Oxford, OX1 3PU, United Kingdom

  • *Corresponding author. stefan.karsch@mpq.mpg.de

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Issue

Vol. 105, Iss. 21 — 19 November 2010

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