Search Results - "NIKI, Hideaki"

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    Direct analysis of powder samples using transversely excited atmospheric CO2 laser-induced gas plasma at 1 atm by Khumaeni, Ali, Lie, Zener Sukra, Niki, Hideaki, Kurniawan, Koo Hendrik, Tjoeng, Efendy, Lee, Yong Inn, Kurihara, Kazuyoshi, Deguchi, Yoji, Kagawa, Kiichiro

    Published in Analytical and bioanalytical chemistry (01-07-2011)
    “…A novel method for the direct and sensitive analysis of powder samples has been developed by utilizing the characteristics of a transversely excited…”
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    Journal Article
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    Excitation Mechanism of H, He, C, and F Atoms in Metal-Assisted Atmospheric Helium Gas Plasma Induced by Transversely Excited Atmospheric-Pressure CO2 Laser Bombardment by Lie, Zener Sukra, Khumaeni, Ali, Kurihara, Kazuyoshi, Kurniawan, Koo Hendrik, Lee, Yong Inn, Fukumoto, Ken-ichi, Kagawa, Kiichiro, Niki, Hideaki

    Published in Jpn J Appl Phys (01-12-2011)
    “…To clarify the excitation mechanism of hydrogen in transversely excited atmospheric-pressure (TEA) CO 2 laser-induced helium gas plasma, atomic emission…”
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    Journal Article
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    Laser Isotope Separation of Zirconium for Nuclear Transmutation Process by Niki, Hideaki, Kuroyanagi, Takaaki, Horiuchi, Yasunobu, Tokita, Shigeki

    Published in Journal of nuclear science and technology (01-09-2008)
    “…Laser isotope separation process of zirconium based on polarization selection rules has been investigated using three dye lasers and a 1.06μm Nd:YAG laser in…”
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    Journal Article
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    A unique technique of laser-induced breakdown spectroscopy using transversely excited atmospheric CO 2 laser for the sensitive analysis of powder samples by Khumaeni, Ali, Niki, Hideaki, Fukumoto, Ken-ichi, Deguchi, Yoji, Kurihara, Kazuyoshi, Kagawa, Kiichiro, Lee, Yong Inn

    Published in Current applied physics (01-05-2011)
    “…A sensitive analysis of powder samples has successfully been conducted using a strong gas breakdown plasma induced by assisting a metal mesh and a metal…”
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    Journal Article
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    A comprehensive study of H emission in a TEA CO2 laser-induced helium gas plasma for highly sensitive analysis of hydrogen in metal samples by Lie, Zener Sukra, Khumaeni, Ali, Niki, Hideaki, Kurihara, Kazuyoshi, Kurniawan, Koo Hendrik, Hedwig, Rinda, Fukumoto, Ken-ichi, Kagawa, Kiichiro, Lee, Yong Inn

    Published in Journal of the Korean Physical Society (01-07-2012)
    “…Our previous work on an innovative method of hydrogen (H) analysis using the specific characteristics of a TEA CO 2 laser, “selective detection method of H”,…”
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    Journal Article
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    Measurement of Hyperfine Structure and Isotope Shift of Transitions in Gadolinium Using Blue Diode Laser by Niki, Hideaki, Tanikawa, Tomoya, Tokita, Shigeki, Izawa, Yasukazu

    Published in Japanese Journal of Applied Physics (01-08-2005)
    “…Laser-induced fluorescence spectroscopy using a single-longitudinal-mode diode laser has been applied to investigating isotope shifts and the hyperfine…”
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    Journal Article
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    Selectivity and Efficiency of Laser Isotope Separation Processes of Gadolinium by NIKI, Hideaki, MOTOKI, Kazunori, YASUI, Masateru, HORIUCHI, Yasunobu, TOKITA, Shigeki, IZAWA, Yasukazu

    Published in Journal of Nuclear Science and Technology (01-04-2006)
    “…Isotopic selectivity and ionization efficiency are discussed in the isotope separation processes of Gd based on polarization selection rules and based on…”
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    Journal Article Conference Proceeding
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    Selectivity loss due to magnetic field in laser isotope separation of gadolinium based on polarization selection rules by TOKITA, Shigeki, IZAWA, Yasukazu, NIKI, Hideaki, KUWASHIMA, Fumiyoshi

    Published in Journal of nuclear science and technology (01-12-2003)
    “…The magnetic field effect on the isotopic selectivity with J=2[arrow right]2[arrow right]1[arrow right]0 multistep photoionization was studied by the…”
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    Journal Article
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    Coarse Metal Powder-Assisted pulsed CO2 Laser-induced Breakdown Spectroscopy for the Direct Determination of Heavy Metals in Soil by Khumaeni, Ali, Tani, Masahiko, Kurihara, Kazuyoshi, Kagawa, Kiichiro, Niki, Hideaki

    Published in Analytical letters (13-08-2017)
    “…A novel method of laser-induced plasma spectroscopy utilizing a pulsed transversely excited atmospheric CO 2 laser has been developed for the high-sensitivity…”
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    Journal Article
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    Researches on Laser Isotope Separation of Gadolinium and Boron by IZAWA, Yasukazu, LIM, Changhwan, OHARA, Hiroharu, NIKI, Hideaki, HASHIDA, Masaki

    Published in Journal of Nuclear Science and Technology (01-04-2002)
    “…Laser isotope separation experiments of Gd and B by atomic and molecular methods, respectively, have been performed. Gadolinium-157 was selectively…”
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    Journal Article Conference Proceeding
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    Magnetic Field Effect on Laser Isotope Separation Based on Polarization Selection Rules by Niki, Hideaki, Kitazima, Iwao, Izawa, Yasukazu

    Published in Japanese Journal of Applied Physics (01-06-1998)
    “…Excitation dynamics of atoms by linearly polarized lasers were analyzed for J =2→2→1→0 multistep transition under a magnetic field. The time evolution of the…”
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    Journal Article
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    Laser polarization effect on adiabatic inversion of degenerate two-level system by NIKI, H, KITAZIMA, I

    “…Coherent excitation dynamics of a degenerate two-level system by a frequency-swept laser were analyzed by solving the optical Bloch equations. Physical…”
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    Journal Article