Laser-plasma acceleration of quasi-monoenergetic protons from microsctructured targets

H. Schwoerer, S. Pfotenhauer, O. Jäckel, K.U. Amthor, B. Liesfeld, W. Ziegler, R. Sauerbrey, K.W.D. Ledingham, T. Esirkepov

Research output: Contribution to journalArticle

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Abstract

Particle acceleration based on high intensity laser systems (a process known as laser-plasma acceleration) has achieved high quality particle beams that compare favourably with conventional acceleration techniques in terms of emittance, brightness and pulse duration. A long-term difficulty associated with laser-plasma acceleration - the very broad, exponential energy spectrum of the emitted particles - has been overcome recently for electron beams. Here we report analogous results for ions, specifically the production of quasi-monoenergetic proton beams using laser-plasma accelerators. Reliable and reproducible laser-accelerated ion beams were achieved by intense laser irradiation of solid microstructured targets. This proof-of-principle experiment serves to illuminate the role of laser-generated plasmas as feasible particle sources. Scalability studies show that, owing to their compact size and reasonable cost, such table-top laser systems with high repetition rates could contribute to the development of new generations of particle injectors that may be suitable for medical proton therapy.
LanguageEnglish
Pages445-448
Number of pages3
JournalNature
Volume439
Issue number7075
DOIs
Publication statusPublished - 26 Jan 2006

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plasma acceleration
laser plasmas
protons
lasers
plasma accelerators
particle acceleration
particle beams
emittance
injectors
proton beams
high power lasers
therapy
repetition
brightness
pulse duration
energy spectra
ion beams
electron beams
costs
irradiation

Keywords

  • particle acceleration
  • lasers
  • protons
  • plasma
  • ions
  • nature

Cite this

Schwoerer, H., Pfotenhauer, S., Jäckel, O., Amthor, K. U., Liesfeld, B., Ziegler, W., ... Esirkepov, T. (2006). Laser-plasma acceleration of quasi-monoenergetic protons from microsctructured targets. Nature, 439(7075), 445-448. https://doi.org/10.1038/nature04492
Schwoerer, H. ; Pfotenhauer, S. ; Jäckel, O. ; Amthor, K.U. ; Liesfeld, B. ; Ziegler, W. ; Sauerbrey, R. ; Ledingham, K.W.D. ; Esirkepov, T. / Laser-plasma acceleration of quasi-monoenergetic protons from microsctructured targets. In: Nature. 2006 ; Vol. 439, No. 7075. pp. 445-448.
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Schwoerer, H, Pfotenhauer, S, Jäckel, O, Amthor, KU, Liesfeld, B, Ziegler, W, Sauerbrey, R, Ledingham, KWD & Esirkepov, T 2006, 'Laser-plasma acceleration of quasi-monoenergetic protons from microsctructured targets' Nature, vol. 439, no. 7075, pp. 445-448. https://doi.org/10.1038/nature04492

Laser-plasma acceleration of quasi-monoenergetic protons from microsctructured targets. / Schwoerer, H.; Pfotenhauer, S.; Jäckel, O.; Amthor, K.U.; Liesfeld, B.; Ziegler, W.; Sauerbrey, R.; Ledingham, K.W.D.; Esirkepov, T.

In: Nature, Vol. 439, No. 7075, 26.01.2006, p. 445-448.

Research output: Contribution to journalArticle

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T1 - Laser-plasma acceleration of quasi-monoenergetic protons from microsctructured targets

AU - Schwoerer, H.

AU - Pfotenhauer, S.

AU - Jäckel, O.

AU - Amthor, K.U.

AU - Liesfeld, B.

AU - Ziegler, W.

AU - Sauerbrey, R.

AU - Ledingham, K.W.D.

AU - Esirkepov, T.

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N2 - Particle acceleration based on high intensity laser systems (a process known as laser-plasma acceleration) has achieved high quality particle beams that compare favourably with conventional acceleration techniques in terms of emittance, brightness and pulse duration. A long-term difficulty associated with laser-plasma acceleration - the very broad, exponential energy spectrum of the emitted particles - has been overcome recently for electron beams. Here we report analogous results for ions, specifically the production of quasi-monoenergetic proton beams using laser-plasma accelerators. Reliable and reproducible laser-accelerated ion beams were achieved by intense laser irradiation of solid microstructured targets. This proof-of-principle experiment serves to illuminate the role of laser-generated plasmas as feasible particle sources. Scalability studies show that, owing to their compact size and reasonable cost, such table-top laser systems with high repetition rates could contribute to the development of new generations of particle injectors that may be suitable for medical proton therapy.

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Schwoerer H, Pfotenhauer S, Jäckel O, Amthor KU, Liesfeld B, Ziegler W et al. Laser-plasma acceleration of quasi-monoenergetic protons from microsctructured targets. Nature. 2006 Jan 26;439(7075):445-448. https://doi.org/10.1038/nature04492