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Proton acceleration using 50 fs, high intensity ASTRA-Gemini laser pulses

  • R. Prasad
  • , S. Ter-Avetisyan
  • , D. Doria
  • , K. E. Quinn
  • , L. Romagnani
  • , P. S. Foster
  • , C. M. Brenner
  • , J. S. Green
  • , P. Gallegos
  • , M. J.V. Streeter
  • , D. C. Carroll
  • , O. Tresca
  • , N. P. Dover
  • , C. A.J. Palmer
  • , J. Schreiber
  • , D. Neely
  • , Z. Najmudin
  • , P. McKenna
  • , M. Zepf
  • , M. Borghesi
  • Queen's University of Belfast
  • CCLRC Rutherford Appleton Laboratory
  • University of Strathclyde
  • Imperial College London

Résultats de recherche: Contribution à un journalArticleRevue par des pairs

Résumé

We report on experimental investigations of proton acceleration from thin foil targets irradiated with ultra-short (∼50 fs), high contrast (∼1010) and ultra-intense (up to 1021 W/cm 2) laser pulses. These measurements provided for the first time the opportunity to extend the scaling laws for the acceleration process in the ultra-short regime beyond the 1020 W/cm2 threshold. The scaling of accelerated proton energies was investigated by varying the thickness of Al targets (down to 50 nm) under 35° angle of laser incidence and with p-polarised light.

langue originaleAnglais
Pages (de - à)113-115
Nombre de pages3
journalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume653
Numéro de publication1
Les DOIs
étatPublié - 11 oct. 2011
Modification externeOui

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