Dynamics of plume propagation and splitting during pulsed-laser ablation

R. F. Wood, K. R. Chen, J. N. Leboeuf, A. A. Puretzky, D. B. Geohegan

Research output: Contribution to journalArticlepeer-review

164 Citations (Scopus)

Abstract

An innovative new approach has been developed for modeling the expansion of laser-generated plumes into low-pressure gases where initially the mean free path may be long enough for interpenetration of the plume and background. The model is based on a combination of multiple elastic scattering and hydrodynamic formulations. Although relatively simple in structure, it gives excellent fits to new experimental data for Si in He and Ar, and provides for the first time a detailed, coherent explanation of the observed splitting of the plume into a fast and slow component.

Original languageEnglish
Pages (from-to)1571-1574
Number of pages4
JournalPhysical review letters
Volume79
Issue number8
DOIs
Publication statusPublished - 1997 Jan 1

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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