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Influence of the ablation threshold fluence on laser-driven acceleration

  • D. Margarone*
  • , A. Velyhan
  • , L. Torrisi
  • , M. Cutroneo
  • , L. Giuffrida
  • , A. Picciotto
  • , J. Krasa
  • , S. Cavallaro
  • , J. Limpouch
  • , O. Klimo
  • , J. Psikal
  • , J. Proska
  • , F. Novotny
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Laser ablation threshold measurements has been carried out by the nanosecond-class Nd:YAG laser at LNS-INFN in Catania. Advanced targets, such as hydrogen-enriched silicon slabs and sub-micro structured polymeric samples, have been investigated. The estimated ablation fluences are correlated to recent experimental and theoretical results on high intensity laser driven ion acceleration. Characteristics of H-atoms/protons and heavier atoms/ions coming out from the bulk of the irradiated target or from surface contaminants have been determined by optical and time-of-flight spectroscopy as well as mass quadrupole spectrometry.

Original languageEnglish
Pages (from-to)132-137
Number of pages6
JournalApplied Surface Science
Volume272
DOIs
Publication statusPublished - 01 May 2013
Externally publishedYes

Keywords

  • Ablation threshold
  • Laser-driven acceleration
  • Nanosecond lasers

ASJC Scopus subject areas

  • Surfaces, Coatings and Films

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