Optical sensitization for laser-induced breakdown spectroscopy using argon nanobubbles

Satoshi Ikezawa*, Muneaki Wakamatsu, Toshitsugu Ueda

*この研究の対応する著者

    研究成果: Conference contribution

    2 被引用数 (Scopus)

    抄録

    This paper demonstrates the validity and usefulness of laser-induced breakdown spectroscopy (LIBS) measurements enhanced by argon nanobubbles. The use of argon nanobubbles in the LIBS system revealed a higher sensitivity than that of conventional methods for LIBS solution measurements. To make the nanobubbles, argon gas was pumped into water, forming bubbles less than 100 nm in diameter. The solution of dissolved argon bubbles was used for the following measurements: (1) the hydrogen atomic spectrum (λ = 656 nm) from the water molecules (H2O) in the solution and (2) the nitrogen atomic spectrum (λ = 399.5 nm) from the air bubbles in the solution. These experimental results demonstrated that the argon nanobubbles have the ability of instantaneous plasma retention during the excitation/relaxation period, which is essential for highly sensitive spectral measurements. The intensity of nitrogen spectra (measurement (2)) obtained from the argon-air nanobubbles in water was much higher than that of the spectra obtained from normal LIBS air measurements.

    本文言語English
    ホスト出版物のタイトルProceedings of the International Conference on Sensing Technology, ICST
    ページ315-319
    ページ数5
    DOI
    出版ステータスPublished - 2012
    イベント2012 6th International Conference on Sensing Technology, ICST 2012 - Kolkata
    継続期間: 2012 12 182012 12 21

    Other

    Other2012 6th International Conference on Sensing Technology, ICST 2012
    CityKolkata
    Period12/12/1812/12/21

    ASJC Scopus subject areas

    • 人工知能
    • コンピュータ サイエンスの応用
    • 信号処理
    • 電子工学および電気工学

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