Emitting mechanisms of non-equilibrium carbon particles emitted by pulsed laser ablation

Koji Suizu, Hajime Aoki, Tsuyoshi Yoshitake, Kunihito Nagayama

    Research output: Contribution to journalConference article

    Abstract

    Spectroscopic method was used to observe pulse laser induced ablation plume of graphite. Time-integrated emission spectrum of ablation plume of graphite was measured for laser wavelengths of 1064 nm, 532 nm and 308 nm. TOF measurements were also made to determine both the species of plume constituents and their velocity as they move from the target surface. By analyzing the obtained spectrum, several species were identified, i.e., at least a carbon ion, a carbon atom and a C2 molecule. Dynamic vibrational temperature was estimated for the obtained spectra of swan bands based on the statistical mechanics. The ablation mechanisms were discussed considering the non-equilibrium nature of the plume.

    Original languageEnglish
    Pages (from-to)379-386
    Number of pages8
    JournalProceedings of SPIE - The International Society for Optical Engineering
    Volume3516
    Issue numberII
    Publication statusPublished - Jan 1 1999
    EventProceedings of the 1998 23rd International Congress on High-Speed Photography and Photonics (ICHSPP-98) - Moscow, Russia
    Duration: Sep 20 1998Sep 25 1998

    Fingerprint

    Laser Ablation
    Pulsed Laser
    Ablation
    Laser ablation
    Pulsed lasers
    laser ablation
    Non-equilibrium
    plumes
    pulsed lasers
    Carbon
    Graphite
    ablation
    carbon
    Laser
    Statistical mechanics
    graphite
    Swan bands
    Statistical Mechanics
    Laser pulses
    statistical mechanics

    All Science Journal Classification (ASJC) codes

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics
    • Computer Science Applications
    • Applied Mathematics
    • Electrical and Electronic Engineering

    Cite this

    Emitting mechanisms of non-equilibrium carbon particles emitted by pulsed laser ablation. / Suizu, Koji; Aoki, Hajime; Yoshitake, Tsuyoshi; Nagayama, Kunihito.

    In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 3516, No. II, 01.01.1999, p. 379-386.

    Research output: Contribution to journalConference article

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    AU - Aoki, Hajime

    AU - Yoshitake, Tsuyoshi

    AU - Nagayama, Kunihito

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