GeV-scale electron acceleration in a gas-filled capillary discharge waveguide

S Karsch, J Osterhoff, A Popp, T P Rowlands-Rees, Zs Major, M Fuchs, B Marx, R Hörlein, K Schmid, L Veisz, S Becker, U Schramm, B Hidding, G Pretzler, D Habs, F Grüner, F Krausz, S M Hooker

Research output: Contribution to journalArticle

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Abstract

We report experimental results on laser-driven electron acceleration with low divergence. The electron beam was generated by focussing 750 mJ, 42 fs laser pulses into a gas-filled capillary discharge waveguide at electron densities in the range between 1018 and 1019cm-3. Quasi-monoenergetic electron bunches with energies as high as 500MeV have been detected, with features reaching up to 1 GeV, albeit with large shot-to-shot fluctuations. A more stable regime with higher bunch charge (20-45 pC) and less energy (200-300 MeV) could also be observed. The beam divergence and the pointing stability are around or below 1 mrad and 8 mrad, respectively. These findings are consistent with self-injection of electrons into a breaking plasma wave.

LanguageEnglish
Article number415
Number of pages11
JournalNew Journal of Physics
Volume9
DOIs
Publication statusPublished - 23 Nov 2007

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electron acceleration
shot
divergence
waveguides
plasma waves
gases
lasers
electrons
electron beams
injection
energy
pulses

Keywords

  • electron beams
  • plasma waves
  • particle accelerators

Cite this

Karsch, S., Osterhoff, J., Popp, A., Rowlands-Rees, T. P., Major, Z., Fuchs, M., ... Hooker, S. M. (2007). GeV-scale electron acceleration in a gas-filled capillary discharge waveguide. New Journal of Physics, 9, [415]. https://doi.org/10.1088/1367-2630/9/11/415
Karsch, S ; Osterhoff, J ; Popp, A ; Rowlands-Rees, T P ; Major, Zs ; Fuchs, M ; Marx, B ; Hörlein, R ; Schmid, K ; Veisz, L ; Becker, S ; Schramm, U ; Hidding, B ; Pretzler, G ; Habs, D ; Grüner, F ; Krausz, F ; Hooker, S M. / GeV-scale electron acceleration in a gas-filled capillary discharge waveguide. In: New Journal of Physics. 2007 ; Vol. 9.
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Karsch, S, Osterhoff, J, Popp, A, Rowlands-Rees, TP, Major, Z, Fuchs, M, Marx, B, Hörlein, R, Schmid, K, Veisz, L, Becker, S, Schramm, U, Hidding, B, Pretzler, G, Habs, D, Grüner, F, Krausz, F & Hooker, SM 2007, 'GeV-scale electron acceleration in a gas-filled capillary discharge waveguide' New Journal of Physics, vol. 9, 415. https://doi.org/10.1088/1367-2630/9/11/415

GeV-scale electron acceleration in a gas-filled capillary discharge waveguide. / Karsch, S; Osterhoff, J; Popp, A; Rowlands-Rees, T P; Major, Zs; Fuchs, M; Marx, B; Hörlein, R; Schmid, K; Veisz, L; Becker, S; Schramm, U; Hidding, B; Pretzler, G; Habs, D; Grüner, F; Krausz, F; Hooker, S M.

In: New Journal of Physics, Vol. 9, 415, 23.11.2007.

Research output: Contribution to journalArticle

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T1 - GeV-scale electron acceleration in a gas-filled capillary discharge waveguide

AU - Karsch, S

AU - Osterhoff, J

AU - Popp, A

AU - Rowlands-Rees, T P

AU - Major, Zs

AU - Fuchs, M

AU - Marx, B

AU - Hörlein, R

AU - Schmid, K

AU - Veisz, L

AU - Becker, S

AU - Schramm, U

AU - Hidding, B

AU - Pretzler, G

AU - Habs, D

AU - Grüner, F

AU - Krausz, F

AU - Hooker, S M

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N2 - We report experimental results on laser-driven electron acceleration with low divergence. The electron beam was generated by focussing 750 mJ, 42 fs laser pulses into a gas-filled capillary discharge waveguide at electron densities in the range between 1018 and 1019cm-3. Quasi-monoenergetic electron bunches with energies as high as 500MeV have been detected, with features reaching up to 1 GeV, albeit with large shot-to-shot fluctuations. A more stable regime with higher bunch charge (20-45 pC) and less energy (200-300 MeV) could also be observed. The beam divergence and the pointing stability are around or below 1 mrad and 8 mrad, respectively. These findings are consistent with self-injection of electrons into a breaking plasma wave.

AB - We report experimental results on laser-driven electron acceleration with low divergence. The electron beam was generated by focussing 750 mJ, 42 fs laser pulses into a gas-filled capillary discharge waveguide at electron densities in the range between 1018 and 1019cm-3. Quasi-monoenergetic electron bunches with energies as high as 500MeV have been detected, with features reaching up to 1 GeV, albeit with large shot-to-shot fluctuations. A more stable regime with higher bunch charge (20-45 pC) and less energy (200-300 MeV) could also be observed. The beam divergence and the pointing stability are around or below 1 mrad and 8 mrad, respectively. These findings are consistent with self-injection of electrons into a breaking plasma wave.

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Karsch S, Osterhoff J, Popp A, Rowlands-Rees TP, Major Z, Fuchs M et al. GeV-scale electron acceleration in a gas-filled capillary discharge waveguide. New Journal of Physics. 2007 Nov 23;9. 415. https://doi.org/10.1088/1367-2630/9/11/415