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Carbon emissions following 1.064 μm laser ablation of graphite and organic samples in ambient air

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Abstract.

Laser ablation of graphite and organic samples is studied in the context of chemical analysis by laser-induced plasma spectroscopy. Ablation is performed using an Nd:YAG laser at 1.064 μm in ambient air at atmospheric pressure. Following ablation of graphite, we find results consistent with C2 (as well as C) being released directly from the target, and CN being formed later on by the interaction of C2 with atmospheric nitrogen (N2). In the case of organic compounds, we find a clear relationship between C2 emission from the plasma and the presence of aromatic rings (containing carbon–carbon double bonds) in the compounds.

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Authors and Affiliations

  1. National Research Council Canada, Industrial Materials Institute, 75 de Mortagne Boulevard, Boucherville, Québec, J4B 6Y4, Canada, , , , , , CA

    L. St-Onge & M. Sabsabi

  2. Pharma-Laser Inc., 75 de Mortagne Boulevard, Boucherville, Québec, J4B 6Y4, Canada, , , , , , CA

    R. Sing & S. Béchard

Authors
  1. L. St-Onge
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  2. R. Sing
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  3. S. Béchard
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  4. M. Sabsabi
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Received: 21 July 1999 / Accepted: 11 September 1999 / Published online: 28 December 1999

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St-Onge, L., Sing, R., Béchard, S. et al. Carbon emissions following 1.064 μm laser ablation of graphite and organic samples in ambient air . Appl Phys A 69 (Suppl 1), S913–S916 (1999). https://doi.org/10.1007/PL00006964

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  • DOI: https://doi.org/10.1007/PL00006964

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