Spectral simulation of laser ablated magnesium plasmas

David Riley, I. Weaver, T. Morrow, M.J. Lamb, G.W. Martin, L.A. Doyle, A. Al-Khateeb, C L S Lewis

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

We describe a collisional-radiative equilibrium model for predicting the optical emission spectrum of low-temperature magnesium plasmas, specifically those created by laser ablation. In the model, levels are populated by a balance of collisional and radiative rates. We include Stark widths of lines and trapping of radiation in the calculations. By use of this model we discuss various issues of importance in spectral analysis of laser ablated plasma plumes, such as the partial local thermodynamic equilibrium approximation, line trapping and time dependence.
Original languageEnglish
Pages (from-to)270-278
Number of pages9
JournalPlasma Sources Science and Technology
Volume9
Issue number3
DOIs
Publication statusPublished - Aug 2000

ASJC Scopus subject areas

  • General Physics and Astronomy
  • Condensed Matter Physics

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