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Electron Rephasing in a Laser-Wakefield Accelerator
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2015 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 115, no 15, 155002Article in journal (Refereed) Published
Abstract [en]

An important limit for energy gain in laser-plasma wakefield accelerators is the dephasing length, after which the electron beam reaches the decelerating region of the wakefield and starts to decelerate. Here, we propose to manipulate the phase of the electron beam in the wakefield, in order to bring the beam back into the accelerating region, hence increasing the final beam energy. This rephasing is operated by placing an upward density step in the beam path. In a first experiment, we demonstrate the principle of this technique using a large energy spread electron beam. Then, we show that it can be used to increase the energy of monoenergetic electron beams by more than 50%.

Place, publisher, year, edition, pages
American Physical Society, 2015. Vol. 115, no 15, 155002
National Category
Accelerator Physics and Instrumentation Atom and Molecular Physics and Optics Fusion, Plasma and Space Physics
Identifiers
URN: urn:nbn:se:umu:diva-134412DOI: 10.1103/PhysRevLett.115.155002ISI: 000362337400008OAI: oai:DiVA.org:umu-134412DiVA: diva2:1093437
Available from: 2017-05-06 Created: 2017-05-06 Last updated: 2017-05-19Bibliographically approved

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Veisz, László
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Accelerator Physics and InstrumentationAtom and Molecular Physics and OpticsFusion, Plasma and Space Physics

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf