Analyses of the plasma generated by laser irradiation on sputtered target for determination of the thickness used for plasma generation

Masafumi Kumaki, Shunsuke Ikeda, Yasuhiro Fuwa, David Cinquegrani, Megumi Sekine, Naoya Munemoto, Takeshi Kanesue, Masahiro Okamura, Masakazu Washio

    Research output: Contribution to journalArticle

    5 Citations (Scopus)

    Abstract

    In Brookhaven National Laboratory, laser ion source has been developed to provide heavy ion beams by using plasma generation with 1064 nm Nd:YAG laser irradiation onto solid targets. The laser energy is transferred to the target material and creates a crater on the surface. However, only the partial material can be turned into plasma state and the other portion is considered to be just vaporized. Since heat propagation in the target material requires more than typical laser irradiation period, which is typically several ns, only the certain depth of the layers may contribute to form the plasma. As a result, the depth is more than 500 nm because the base material Al ions were detected. On the other hand, the result of comparing each carbon thickness case suggests that the surface carbon layer is not contributed to generate plasma.

    Original languageEnglish
    Article number02B925
    JournalReview of Scientific Instruments
    Volume85
    Issue number2
    DOIs
    Publication statusPublished - 2014 Feb

    Fingerprint

    plasma generators
    Laser beam effects
    Plasmas
    irradiation
    lasers
    carbon
    craters
    ion sources
    Carbon
    Lasers
    YAG lasers
    heavy ions
    Ion sources
    ion beams
    Heavy ions
    Ion beams
    heat
    propagation
    Ions
    ions

    ASJC Scopus subject areas

    • Instrumentation

    Cite this

    Analyses of the plasma generated by laser irradiation on sputtered target for determination of the thickness used for plasma generation. / Kumaki, Masafumi; Ikeda, Shunsuke; Fuwa, Yasuhiro; Cinquegrani, David; Sekine, Megumi; Munemoto, Naoya; Kanesue, Takeshi; Okamura, Masahiro; Washio, Masakazu.

    In: Review of Scientific Instruments, Vol. 85, No. 2, 02B925, 02.2014.

    Research output: Contribution to journalArticle

    Kumaki, Masafumi ; Ikeda, Shunsuke ; Fuwa, Yasuhiro ; Cinquegrani, David ; Sekine, Megumi ; Munemoto, Naoya ; Kanesue, Takeshi ; Okamura, Masahiro ; Washio, Masakazu. / Analyses of the plasma generated by laser irradiation on sputtered target for determination of the thickness used for plasma generation. In: Review of Scientific Instruments. 2014 ; Vol. 85, No. 2.
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    AU - Fuwa, Yasuhiro

    AU - Cinquegrani, David

    AU - Sekine, Megumi

    AU - Munemoto, Naoya

    AU - Kanesue, Takeshi

    AU - Okamura, Masahiro

    AU - Washio, Masakazu

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