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Gev plasma accelerators driven in waveguides

Hooker, S.M. and Brunetti, E. and Esarey, E. and Gallacher, J.G. and Geddes, C.G.R. and Gonsalves, A.J. and Jaroszynski, D.A. and Kamperidis, C. (2007) Gev plasma accelerators driven in waveguides. Plasma Physics and Controlled Fusion, 49 (12B). B403-B410. ISSN 0741-3335

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Abstract

During the last few years laser-driven plasma accelerators have been shown to generate quasi-monoenergetic electron beams with energies up to several hundred MeV. Extending the output energy of laser-driven plasma accelerators to the GeV range requires operation at plasma densities an order of magnitude lower, i.e. 1018 cm−3, and increasing the distance over which acceleration is maintained from a few millimetres to a few tens of millimetres. One approach for achieving this is to guide the driving laser pulse in the plasma channel formed in a gas-filled capillary discharge waveguide. We present transverse interferometric measurements of the evolution of the plasma channel formed and compare these measurements with models of the capillary discharge. We describe in detail experiments performed at Lawrence Berkeley National Laboratory and at Rutherford Appleton Laboratory in which plasma accelerators were driven within this type of waveguide to generate quasi-monoenergetic electron beams with energies up to 1 GeV.

Item type: Article
ID code: 17106
Notes: Strathprints' policy is to record up to 8 authors per publication, plus any additional authors based at the University of Strathclyde. More authors may be listed on the official publication than appear in the Strathprints' record.
Keywords: laser-driven plasma accelerator, quasi-monoenergetic electron beam, plasma accelerator, Electrical engineering. Electronics Nuclear engineering, Plasma physics. Ionized gases, Nuclear Energy and Engineering, Condensed Matter Physics
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Science > Physics > Plasma physics. Ionized gases
Department: Faculty of Science > Physics
Related URLs:
    Depositing user: Strathprints Administrator
    Date Deposited: 01 Apr 2010 16:16
    Last modified: 05 Sep 2014 01:44
    URI: http://strathprints.strath.ac.uk/id/eprint/17106

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