Energetics and energy scaling of quasi-monoenergetic protons in laser radiation pressure acceleration

Tung-Chang Liu, Xi Shao, Chuan-Sheng Liu, Jao-Jang Su, Bengt Eliasson, Vipin Tripathi, Galina Dudnikova, Roald Z. Sagdeev

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Theoretical and computational studies of the ion energy scaling of the radiation pressure acceleration of an ultra-thin foil by short pulse intense laser irradiation are presented. To obtain a quasi-monoenergetic ion beam with an energy spread of less than 20%, two-dimensional particle-in-cell simulations show that the maximum energy of the quasi-monoenergetic ion beam is limited by self-induced transparency at the density minima caused by the Rayleigh-Taylor instability. For foils of optimal thickness, the time over which Rayleigh-Taylor instability fully develops and transparency occurs is almost independent of the laser amplitude. With a laser power of about one petawatt, quasi-monogenetic protons with 200 MeV and carbon ions with 100 MeV per nucleon can be obtained, suitable for particle therapy applications.
LanguageEnglish
Article number123105
Number of pages7
JournalPhysics of Plasmas
Volume18
Issue number12
DOIs
Publication statusPublished - 29 Dec 2011

Fingerprint

radiation pressure
Taylor instability
laser beams
scaling
protons
foils
ion beams
lasers
energy
therapy
ions
irradiation
carbon
pulses
cells
simulation

Keywords

  • proton acceleration
  • laser
  • Rayleigh-Taylor instability
  • energy-scaling
  • energetics
  • quasi-monoenergetic protons

Cite this

Liu, Tung-Chang ; Shao, Xi ; Liu, Chuan-Sheng ; Su, Jao-Jang ; Eliasson, Bengt ; Tripathi, Vipin ; Dudnikova, Galina ; Sagdeev, Roald Z. / Energetics and energy scaling of quasi-monoenergetic protons in laser radiation pressure acceleration. In: Physics of Plasmas. 2011 ; Vol. 18, No. 12.
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abstract = "Theoretical and computational studies of the ion energy scaling of the radiation pressure acceleration of an ultra-thin foil by short pulse intense laser irradiation are presented. To obtain a quasi-monoenergetic ion beam with an energy spread of less than 20{\%}, two-dimensional particle-in-cell simulations show that the maximum energy of the quasi-monoenergetic ion beam is limited by self-induced transparency at the density minima caused by the Rayleigh-Taylor instability. For foils of optimal thickness, the time over which Rayleigh-Taylor instability fully develops and transparency occurs is almost independent of the laser amplitude. With a laser power of about one petawatt, quasi-monogenetic protons with 200 MeV and carbon ions with 100 MeV per nucleon can be obtained, suitable for particle therapy applications.",
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Liu, T-C, Shao, X, Liu, C-S, Su, J-J, Eliasson, B, Tripathi, V, Dudnikova, G & Sagdeev, RZ 2011, 'Energetics and energy scaling of quasi-monoenergetic protons in laser radiation pressure acceleration' Physics of Plasmas, vol. 18, no. 12, 123105. https://doi.org/10.1063/1.3672515

Energetics and energy scaling of quasi-monoenergetic protons in laser radiation pressure acceleration. / Liu, Tung-Chang; Shao, Xi; Liu, Chuan-Sheng; Su, Jao-Jang; Eliasson, Bengt; Tripathi, Vipin; Dudnikova, Galina; Sagdeev, Roald Z.

In: Physics of Plasmas, Vol. 18, No. 12, 123105, 29.12.2011.

Research output: Contribution to journalArticle

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AU - Liu, Tung-Chang

AU - Shao, Xi

AU - Liu, Chuan-Sheng

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AU - Eliasson, Bengt

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AU - Dudnikova, Galina

AU - Sagdeev, Roald Z.

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AB - Theoretical and computational studies of the ion energy scaling of the radiation pressure acceleration of an ultra-thin foil by short pulse intense laser irradiation are presented. To obtain a quasi-monoenergetic ion beam with an energy spread of less than 20%, two-dimensional particle-in-cell simulations show that the maximum energy of the quasi-monoenergetic ion beam is limited by self-induced transparency at the density minima caused by the Rayleigh-Taylor instability. For foils of optimal thickness, the time over which Rayleigh-Taylor instability fully develops and transparency occurs is almost independent of the laser amplitude. With a laser power of about one petawatt, quasi-monogenetic protons with 200 MeV and carbon ions with 100 MeV per nucleon can be obtained, suitable for particle therapy applications.

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