Generation of quasimonoenergetic electron bunches with 80-fs laser pulses

B. Hidding, K.U. Amthor, B. Liesfeld, H. Schwoerer, S. Karsch, M. Geissler, L. Veisz, K. Schmid, J.G. Gallacher, S.P. Jamison, D. Jaroszynski, G. Pretzler, R. Sauerbrey

Research output: Contribution to journalArticle

128 Citations (Scopus)

Abstract

Highly collimated, quasimonoenergetic multi-MeV electron bunches were generated by the interaction of tightly focused, 80-fs laser pulses in a high-pressure gas jet. These monoenergetic bunches are characteristic of wakefield acceleration in the highly nonlinear wave breaking regime, which was previously thought to be accessible only by much shorter laser pulses in thinner plasmas. In our experiment, the initially long laser pulse was modified in underdense plasma to match the necessary conditions. This picture is confirmed by semianalytical scaling laws and 3D particle-in-cell simulations. Our results show that laser-plasma interaction can drive itself towards this type of laser wakefield acceleration even if the initial laser and plasma parameters are outside the required regime.
Original languageEnglish
Pages (from-to)105004-1
Number of pages105003
JournalPhysical Review Letters
Volume96
Issue number10
DOIs
Publication statusPublished - Mar 2006

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pulses
lasers
electrons
laser plasma interactions
gas jets
scaling laws
cells
simulation
interactions

Keywords

  • electron bunches
  • lasers
  • waves
  • plasmas

Cite this

Hidding, B., Amthor, K. U., Liesfeld, B., Schwoerer, H., Karsch, S., Geissler, M., ... Sauerbrey, R. (2006). Generation of quasimonoenergetic electron bunches with 80-fs laser pulses. Physical Review Letters, 96(10), 105004-1. https://doi.org/10.1103/PhysRevLett.96.105004
Hidding, B. ; Amthor, K.U. ; Liesfeld, B. ; Schwoerer, H. ; Karsch, S. ; Geissler, M. ; Veisz, L. ; Schmid, K. ; Gallacher, J.G. ; Jamison, S.P. ; Jaroszynski, D. ; Pretzler, G. ; Sauerbrey, R. / Generation of quasimonoenergetic electron bunches with 80-fs laser pulses. In: Physical Review Letters. 2006 ; Vol. 96, No. 10. pp. 105004-1.
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Hidding, B, Amthor, KU, Liesfeld, B, Schwoerer, H, Karsch, S, Geissler, M, Veisz, L, Schmid, K, Gallacher, JG, Jamison, SP, Jaroszynski, D, Pretzler, G & Sauerbrey, R 2006, 'Generation of quasimonoenergetic electron bunches with 80-fs laser pulses', Physical Review Letters, vol. 96, no. 10, pp. 105004-1. https://doi.org/10.1103/PhysRevLett.96.105004

Generation of quasimonoenergetic electron bunches with 80-fs laser pulses. / Hidding, B.; Amthor, K.U.; Liesfeld, B.; Schwoerer, H.; Karsch, S.; Geissler, M.; Veisz, L.; Schmid, K.; Gallacher, J.G.; Jamison, S.P.; Jaroszynski, D.; Pretzler, G.; Sauerbrey, R.

In: Physical Review Letters, Vol. 96, No. 10, 03.2006, p. 105004-1.

Research output: Contribution to journalArticle

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T1 - Generation of quasimonoenergetic electron bunches with 80-fs laser pulses

AU - Hidding, B.

AU - Amthor, K.U.

AU - Liesfeld, B.

AU - Schwoerer, H.

AU - Karsch, S.

AU - Geissler, M.

AU - Veisz, L.

AU - Schmid, K.

AU - Gallacher, J.G.

AU - Jamison, S.P.

AU - Jaroszynski, D.

AU - Pretzler, G.

AU - Sauerbrey, R.

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AB - Highly collimated, quasimonoenergetic multi-MeV electron bunches were generated by the interaction of tightly focused, 80-fs laser pulses in a high-pressure gas jet. These monoenergetic bunches are characteristic of wakefield acceleration in the highly nonlinear wave breaking regime, which was previously thought to be accessible only by much shorter laser pulses in thinner plasmas. In our experiment, the initially long laser pulse was modified in underdense plasma to match the necessary conditions. This picture is confirmed by semianalytical scaling laws and 3D particle-in-cell simulations. Our results show that laser-plasma interaction can drive itself towards this type of laser wakefield acceleration even if the initial laser and plasma parameters are outside the required regime.

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KW - lasers

KW - waves

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Hidding B, Amthor KU, Liesfeld B, Schwoerer H, Karsch S, Geissler M et al. Generation of quasimonoenergetic electron bunches with 80-fs laser pulses. Physical Review Letters. 2006 Mar;96(10):105004-1. https://doi.org/10.1103/PhysRevLett.96.105004