Spectroscopic measurements in Fe-plasma produced by pulsed laser ablation

A. Borrielli*, L. Torrisi, D. Margarone, F. Caridi, A. M. Mezzasalma

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

A Nd:Yag laser is employed to irradiate thick Fe targets placed in vacuum. The obtained non-equilibrium Fe-plasma is investigated with various analytical techniques. An electrostatic ion energy analyzer (IEA) and a ring ion collector (ICR) are employed, in time-of-flight configuration, to monitor in situ the ejected ions from the plasma along the normal direction to the target surface and to determine the plasma core temperature and the ion energy distributions. The visible plasma emission, detected with an optical spectrometer, permitted to evaluate the electronic temperature and density and the fluence threshold of the visible light emission. The spectroscopy measurements of ions and photons and the fast CCD plasma images are employed to evaluate the temperature gradients in the laser-generated plasma plume.

Original languageEnglish
Pages (from-to)3968-3974
Number of pages7
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume266
Issue number18
DOIs
Publication statusPublished - Sep 2008
Externally publishedYes

Bibliographical note

Funding Information:
Authors thank Dr. S. Gammino of the INFN-LNS of Catania and the INFN Commission V for the useful scientific and financial support given, respectively, to this research developed in the framework of the PLATONE Project.

Copyright:
Copyright 2008 Elsevier B.V., All rights reserved.

Keywords

  • Ablation threshold fluence
  • Ion energy distribution
  • Plasma optical spectroscopy
  • Pulsed laser ablation

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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