Simulation of electron post-acceleration in a two-stage laser Wakefield accelerator

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Electron bunches produced in self-modulated laser wakefield experiments usually have a broad energy spectrum, with most electrons at low energy (1-3 MeV) and only a small fraction at high energy. We propose and investigate further acceleration of such bunches in a channel-guided resonant laser wakefield accelerator. Two-dimensional simulations with and without the effects of self-consistent beam loading are performed and compared. These results indicate that it is possible to trap about 40 percent of the injected bunch charge and accelerate this fraction to an average energy of about 50 MeV in a plasma channel of a few mn.

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Reitsma, A.J.W.; Leemans, W.P.; Esarey, E.; Kamp, L.P.J. & Schep, T.J. April 1, 2002.

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Electron bunches produced in self-modulated laser wakefield experiments usually have a broad energy spectrum, with most electrons at low energy (1-3 MeV) and only a small fraction at high energy. We propose and investigate further acceleration of such bunches in a channel-guided resonant laser wakefield accelerator. Two-dimensional simulations with and without the effects of self-consistent beam loading are performed and compared. These results indicate that it is possible to trap about 40 percent of the injected bunch charge and accelerate this fraction to an average energy of about 50 MeV in a plasma channel of a few mn.

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  • Journal Name: Physical Review Special Topics - Accelerators and Beams; Journal Volume: 5; Other Information: Journal Publication Date: 2002

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  • Report No.: LBNL--50727
  • Grant Number: AC03-76SF00098
  • DOI: 10.1103/PhysRevSTAB.5.051301 | External Link
  • Office of Scientific & Technical Information Report Number: 821634
  • Archival Resource Key: ark:/67531/metadc786881

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  • April 1, 2002

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  • Dec. 3, 2015, 9:30 a.m.

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  • Sept. 1, 2016, 7:15 p.m.

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Reitsma, A.J.W.; Leemans, W.P.; Esarey, E.; Kamp, L.P.J. & Schep, T.J. Simulation of electron post-acceleration in a two-stage laser Wakefield accelerator, article, April 1, 2002; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc786881/: accessed November 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.