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    • Keywords


      Laser produced plasma; graphite; time resolved spectroscopy; carbon clusters; recombination

    • Abstract


      Time resolved optical emission spectroscopy is employed to study the expansion dynamics of C2 species in a graphite plasma produced during the Nd : YAG ablation. At low laser fluences a single peak distribution with low kinetic energy is observed. At higher fluences a twin peak distribution is found. It has been noted that these double peak time of flight distribution splits into a triple peak structure at distances ≥17mm from the target surface. The reason for the occurrence of multiple peak is due to different formation mechanisms of C2 species.

    • Author Affiliations


      S S Harilal1 Riju C Issac1 C V Bindhu1 V P N Nampoori1 C P G Vallabhan1

      1. Laser Division, International School of Photonics, Cochin University of Science and Technology, Cochin - 682 022, India
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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