High-energy ion generation in interaction of short laser pulse with high-density plasma

Y. Sentoku, V. Y. Bychenkov, K. Flippo, A. Maksimchuk, K. Mima, G. Mourou, Z. M. Sheng, D. Umstadter

Research output: Contribution to journalArticle

121 Citations (Scopus)

Abstract

Multi-MeV ion production from the interaction of a short laser pulse with a high-density plasma, accompanied by an underdense preplasma, has been studied with a particle-in-cell simulation and good agreement is found with experiment. The mechanism primarily responsible for the acceleration of ions is identified. Comparison with experiments sheds light on the ion-energy dependence on laser intensity, preplasma scale length, and relative ion energies for a multi-species plasma. Two regimes of maximum ion-energy dependence on laser intensity, I, have been identified: subrelativistic, ∝ I; and relativistic, ∝ √I. Simulations show that the energy of the accelerated ions versus the preplasma scale length increases linearly and then saturates. In contrast, the ion energy decreases with the thickness of the solid-density plasma.

Original languageEnglish (US)
Pages (from-to)207-215
Number of pages9
JournalApplied Physics B: Lasers and Optics
Volume74
Issue number3
DOIs
StatePublished - Mar 1 2002

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plasma density
pulses
lasers
ions
interactions
energy
simulation
cells

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Physics and Astronomy(all)

Cite this

High-energy ion generation in interaction of short laser pulse with high-density plasma. / Sentoku, Y.; Bychenkov, V. Y.; Flippo, K.; Maksimchuk, A.; Mima, K.; Mourou, G.; Sheng, Z. M.; Umstadter, D.

In: Applied Physics B: Lasers and Optics, Vol. 74, No. 3, 01.03.2002, p. 207-215.

Research output: Contribution to journalArticle

Sentoku, Y, Bychenkov, VY, Flippo, K, Maksimchuk, A, Mima, K, Mourou, G, Sheng, ZM & Umstadter, D 2002, 'High-energy ion generation in interaction of short laser pulse with high-density plasma', Applied Physics B: Lasers and Optics, vol. 74, no. 3, pp. 207-215. https://doi.org/10.1007/s003400200796
Sentoku, Y. ; Bychenkov, V. Y. ; Flippo, K. ; Maksimchuk, A. ; Mima, K. ; Mourou, G. ; Sheng, Z. M. ; Umstadter, D. / High-energy ion generation in interaction of short laser pulse with high-density plasma. In: Applied Physics B: Lasers and Optics. 2002 ; Vol. 74, No. 3. pp. 207-215.
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