Plasma induced luminescence (PIL)

M. Gaft, L. Nagli, Y. Groisman

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

Laser-induced breakdown spectroscopy (LIBS) is well known tool for elemental analysis of solid, liquid and gaseous materials. The species emission life times in typical plasma are in 10-50 μs range. It is recognized that after this time following plasma formation any useful information does not exist. It is not the case when matrix subjected for plasma excitation is capable to luminescence. In such case UV, visible photons and possibly X-rays created by plasma excite the matrix luminescence, which may be detected after the corresponding delay when plasma emission becomes comparable by its intensity with luminescence. It may be supposed that plasma created by other means, for example, by spark, will also generate luminescence. Evidently it is new luminescence excitation mechanism and correspondingly new luminescence type, plasma induced luminescence (PIL).

Original languageEnglish
Pages (from-to)368-375
Number of pages8
JournalOptical Materials
Volume34
Issue number2
DOIs
StatePublished - Dec 2011
Externally publishedYes

Keywords

  • Laser
  • Luminescence
  • Plasma

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