Abstract
This paper describes some recent results on femtosecond laser ablation of gold. We have studied both the fast vapour/plasma and slow nanoparticle plumes using Langmuir probe, time-resolved ICCD imaging and time-resolved optical absorption measurements. The nanoparticle plume dynamics was analysed by comparing the optical emission absorption measurements with an adiabatic isentropic model of ablation plume expansion, leading to an estimate of the amount of material in the nanoparticle plume.
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Acknowledgments
We acknowledge the support of Science Foundation Ireland under research Grants 09/RFP/PHY2422 and 12/TIDA/I2425.
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O’Connell, G., Donnelly, T. & Lunney, J.G. Nanoparticle plume dynamics in femtosecond laser ablation of gold. Appl. Phys. A 117, 289–293 (2014). https://doi.org/10.1007/s00339-013-8209-y
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DOI: https://doi.org/10.1007/s00339-013-8209-y