Effect of crater volume on laser-induced plasma lasers and Laser-Induced Breakdown Spectroscopy intensity

L. Nagli, A. Prosnyakov, M. Gaft, Y. Raichlin

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Laser-Induced Breakdown Spectroscopy (LIBS) and Laser-Induced Plasma Lasers (LIPL) in elongated Laser-Induced Plasma (LIP) are investigated. It is shown that LIBS and LIPL behavior versus ablation laser pulses are about the same, though LIBS emission is proportional to the atoms in excited states, but LIPL generation is proportional to the atoms in the ground state. Furthermore, two peaks are found in LIBS/LIPL intensities dependencies on laser pulses. The first peak is well-known in LIBS. The second, observed at large ablation pulses number (≥104 pulses in our experimental conditions), may be attributed to the sample's thermal properties, especially thermal capacity and thermal diffusivity.

Original languageEnglish
Article number106246
JournalSpectrochimica Acta - Part B Atomic Spectroscopy
Volume183
DOIs
StatePublished - Sep 2021

Keywords

  • LIBS
  • Laser ablation
  • Lasers

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