Generation of Stable, Low-Divergence Electron Beams by Laser-Wakefield Acceleration in a Steady-State-Flow Gas Cell

J. Osterhoff, A. Popp, Zs. Major, B. Marx, T. P. Rowlands-Rees, M. Fuchs, M. Geissler, R. Hörlein, B. Hidding, S. Becker, E. A. Peralta, U. Schramm, F. Grüner, D. Habs, F. Krausz, S. M. Hooker, and S. Karsch
Phys. Rev. Lett. 101, 085002 – Published 21 August 2008

Abstract

Laser-driven, quasimonoenergetic electron beams of up to 200MeV in energy have been observed from steady-state-flow gas cells. These beams emitted within a low-divergence cone of 2.1±0.5mrad FWHM display unprecedented shot-to-shot stability in energy (2.5% rms), pointing (1.4 mrad rms), and charge (16% rms) owing to a highly reproducible gas-density profile within the interaction volume. Laser-wakefield acceleration in gas cells of this type provides a simple and reliable source of relativistic electrons suitable for applications such as the production of extreme-ultraviolet undulator radiation.

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  • Received 14 April 2008

DOI:https://doi.org/10.1103/PhysRevLett.101.085002

©2008 American Physical Society

Authors & Affiliations

J. Osterhoff1, A. Popp1, Zs. Major1,2, B. Marx1,2, T. P. Rowlands-Rees3, M. Fuchs1,2, M. Geissler4, R. Hörlein1,2, B. Hidding5, S. Becker2, E. A. Peralta1, U. Schramm6, F. Grüner1, D. Habs2, F. Krausz1,2, S. M. Hooker3, and S. Karsch1,*

  • 1Max-Planck-Institut für Quantenoptik, 85748 Garching, Germany
  • 2Sektion Physik, Ludwig-Maximilians-Universität München, 85748 Garching, Germany
  • 3Clarendon Laboratory, University of Oxford, OX1 3PU, United Kingdom
  • 4Centre for Plasma Physics, Queen’s University Belfast, BT7 1NN, United Kingdom
  • 5Institut für Laser- und Plasmaphysik, Heinrich-Heine-Universität Düsseldorf, 40225 Düsseldorf, Germany
  • 6Forschungszentrum Dresden-Rossendorf, 01328 Dresden, Germany

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

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Vol. 101, Iss. 8 — 22 August 2008

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