A method of determining narrow energy spread electron beams from a laser plasma wakefield accelerator using undulator radiation

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Gallacher, J.G. and Anania, M.P. and Brunetti, E. and Budde, F. and Debus, A. and Ersfe, B. and Haupt, K. and Islam, M.R. and Reitsma, A.J.W. and Shanks, Richard P. and Jaroszynski, D.A. and Wiggins, Mark (2009) A method of determining narrow energy spread electron beams from a laser plasma wakefield accelerator using undulator radiation. Physics of Plasmas, 16 (9). -. ISSN 1070-664X (https://doi.org/10.1063/1.3216549)

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Abstract

In this paper a new method of determining the energy spread of a relativistic electron beam from a laser-driven plasma wakefield accelerator by measuring radiation from an undulator is presented. This could be used to determine the beam characteristics of multi-GeV accelerators where conventional spectrometers are very large and cumbersome. Simultaneous measurement of the energy spectra of electrons from the wakefield accelerator in the 55-70 MeV range and the radiation spectra in the wavelength range of 700-900 nm of synchrotron radiation emitted from a 50 period undulator confirm a narrow energy spread for electrons accelerated over the dephasing distance where beam loading leads to energy compression. Measured energy spreads of less than 1% indicates the potential of using a wakefield accelerator as a driver of future compact and brilliant ultrashort pulse synchrotron sources and free-electron lasers that require high peak brightness beams.

ORCID iDs

Gallacher, J.G., Anania, M.P., Brunetti, E. ORCID logoORCID: https://orcid.org/0000-0001-8302-9762, Budde, F., Debus, A., Ersfe, B. ORCID logoORCID: https://orcid.org/0000-0001-5597-9429, Haupt, K., Islam, M.R., Reitsma, A.J.W., Shanks, Richard P., Jaroszynski, D.A. ORCID logoORCID: https://orcid.org/0000-0002-3006-5492 and Wiggins, Mark ORCID logoORCID: https://orcid.org/0000-0001-7804-6146;
  • Item type:Article
    ID code:16901
    Dates:
    Date
    Event
    September 2009
    Published
    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.
    Subjects:Science > Physics > Plasma physics. Ionized gases
    Department:Faculty of Science > Physics
    Depositing user: Strathprints Administrator
    Date deposited:25 Mar 2010 12:46
    Last modified:11 Nov 2024 09:27
    URI:https://strathprints.strath.ac.uk/id/eprint/16901
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