Evolution of the plasma parameters in the expanding laser ablation plume of silver

Bo Toftmann Christensen, Jørgen Schou, T.N. Hansen, J.G. Lunney

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    Abstract

    The angular and radial variation of the ion density and electron temperature in the plasma plume produced by laser ablation of silver at fluences of 0.8-1.3 J cm(-2) at 355 nm have been studied using a time-resolving Langmuir probe. The angular dependence of the electron temperature and the magnitude of the ion flux, at the time when the ion flux is maximised, agree with the predictions of the self-similar isentropic model of the plasma expansion by Anisimov et al. (C) 2002 Elsevier Science B.V. All rights reserved.
    Original languageEnglish
    JournalApplied Surface Science
    Volume186
    Issue number1-4
    Pages (from-to)293-297
    ISSN0169-4332
    DOIs
    Publication statusPublished - 2002

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