Laser plasma acceleration of electrons: towards the production of monoenergetic beams

K. Krushelnick, Z. Najmudin, S.P.D. Mangles, A.G.R. Thomas, M.S. Wei, B.R. Walton, A. Gopal, R. Viskup, J.G. Gallacher, D.A. Jaroszynski

Research output: Contribution to journalArticle

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Abstract

The interaction of high intensity laser pulses with underdense plasma is investigated experimentally using a range of laser parameters and energetic electron production mechanisms are compared. It is clear that the physics of these interactions changes significantly depending not only on the interaction intensity but also on the laser pulse length. For high intensity laser interactions in the picosecond pulse duration regime the production of energetic electrons is highly correlated with the production of plasma waves. However as intensities are increased the peak electron acceleration increases beyond that which can be produced from single stage plasma wave acceleration and direct laser acceleration mechanisms must be invoked. If, alternatively, the pulse length is reduced such that it approaches the plasma period of a relativistic electron plasma wave, high power interactions can be shown to enable the generation of quasimonoenergetic beams of relativistic electrons.
LanguageEnglish
Pages056711-1-056711-8
JournalPhysics of Plasmas
Volume12
Issue number5
DOIs
Publication statusPublished - May 2005

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plasma acceleration
laser plasmas
plasma waves
electrons
high power lasers
interactions
pulses
lasers
relativistic plasmas
electron acceleration
picosecond pulses
electron plasma
pulse duration
physics

Keywords

  • laser plasma acceleration
  • electrons
  • monoenergetic beams

Cite this

Krushelnick, K., Najmudin, Z., Mangles, S. P. D., Thomas, A. G. R., Wei, M. S., Walton, B. R., ... Jaroszynski, D. A. (2005). Laser plasma acceleration of electrons: towards the production of monoenergetic beams. Physics of Plasmas, 12(5), 056711-1-056711-8. https://doi.org/10.1063/1.1902951
Krushelnick, K. ; Najmudin, Z. ; Mangles, S.P.D. ; Thomas, A.G.R. ; Wei, M.S. ; Walton, B.R. ; Gopal, A. ; Viskup, R. ; Gallacher, J.G. ; Jaroszynski, D.A. / Laser plasma acceleration of electrons: towards the production of monoenergetic beams. In: Physics of Plasmas. 2005 ; Vol. 12, No. 5. pp. 056711-1-056711-8.
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Krushelnick, K, Najmudin, Z, Mangles, SPD, Thomas, AGR, Wei, MS, Walton, BR, Gopal, A, Viskup, R, Gallacher, JG & Jaroszynski, DA 2005, 'Laser plasma acceleration of electrons: towards the production of monoenergetic beams' Physics of Plasmas, vol. 12, no. 5, pp. 056711-1-056711-8. https://doi.org/10.1063/1.1902951

Laser plasma acceleration of electrons: towards the production of monoenergetic beams. / Krushelnick, K.; Najmudin, Z.; Mangles, S.P.D.; Thomas, A.G.R.; Wei, M.S.; Walton, B.R.; Gopal, A.; Viskup, R.; Gallacher, J.G.; Jaroszynski, D.A.

In: Physics of Plasmas, Vol. 12, No. 5, 05.2005, p. 056711-1-056711-8.

Research output: Contribution to journalArticle

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AU - Najmudin, Z.

AU - Mangles, S.P.D.

AU - Thomas, A.G.R.

AU - Wei, M.S.

AU - Walton, B.R.

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Krushelnick K, Najmudin Z, Mangles SPD, Thomas AGR, Wei MS, Walton BR et al. Laser plasma acceleration of electrons: towards the production of monoenergetic beams. Physics of Plasmas. 2005 May;12(5):056711-1-056711-8. https://doi.org/10.1063/1.1902951