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Time-resolved spectroscopy measurements of a titanium plasma induced by nanosecond and femtosecond lasers

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Abstract.

We have studied the plasma induced at the surface of a titanium target following irradiation with femtosecond and nanosecond laser pulses. Time-resolved imaging and spectroscopic measurements allowed us to evidence some features specific to the femtosecond-laser-induced plasma. In this ultrashort interaction regime, we could discriminate between three different velocity populations in the plasma expansion. Coulomb explosion firstly creates highly energetic Ti+ ions, which are followed by atomic neutral titanium and lastly by nanoscale titanium oxide clusters.

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Authors and Affiliations

  1. Laboratoire d’Optique Appliquée, CNRS UMR 7639, ENSTA, Ecole Polytechnique, 91761 Palaiseau Cedex, France, , , , , , FR

    O. Albert, S. Roger, Y. Glinec, J.C. Loulergue & J. Etchepare

  2. GREMI, CNRS UMR 6606, Université d’Orléans, 45067 Orléans Cedex 2, France, , , , , , FR

    C. Boulmer-Leborgne

  3. Groupe de Physique des Solides, CNRS UMR 7588,Universités Paris VI et Paris VII, Tour 23, 2 Place Jussieu, 75251 Paris Cedex 05, France, , , , , , FR

    J. Perrière & E. Millon

Authors
  1. O. Albert
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  2. S. Roger
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  3. Y. Glinec
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  4. J.C. Loulergue
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  5. J. Etchepare
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  6. C. Boulmer-Leborgne
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  7. J. Perrière
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  8. E. Millon
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Additional information

Received: 28 September 2001 / Accepted: 9 July 2002 / Published online: 25 October 2002

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ID="*"Corresponding author. Fax: +33-1/6931-9996, E-mail: albert@ensta.fr

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Albert, O., Roger, S., Glinec, Y. et al. Time-resolved spectroscopy measurements of a titanium plasma induced by nanosecond and femtosecond lasers . Appl Phys A 76, 319–323 (2003). https://doi.org/10.1007/s00339-002-1815-8

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  • DOI: https://doi.org/10.1007/s00339-002-1815-8

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