Search Results - "Ohzu, Akira"

Development of a DDA+PGA-combined non-destructive active interrogation system in “Active-N by Furutaka, Kazuyoshi, Ohzu, Akira, Toh, Yosuke

“…An integrated neutron interrogation system has been developed for non-destructive assay of highly-radioactive special nuclear materials, to accumulate…”
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Study of the neutron multiplication effect in an active neutron method by Komeda, Masao, Ohzu, Akira, Mori, Takamasa, Nakatsuka, Yoshiaki, Maeda, Makoto, Kureta, Masatoshi, Toh, Yosuke

“…The neutron multiplication effect appears when an item contains large amounts of nuclear material. The neutron multiplication effect in this paper means the…”
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Time-Resolved Laser-Induced Fluorescence of Asbestos in Visible Region by Ohzu, Akira, Esaka, Fumitaka, Yasuda, Kenichiro

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Remote Particle Counter Using Backscattered Light Imaging by Ohzu, Akira

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Development of an integrated non-destructive analysis system, Active-N by Tsuchiya, Harufumi, Toh, Yosuke, Ohzu, Akira, Furutaka, Kazuyoshi, Kitatani, Fumito, Maeda, Makoto, Komeda, Masao

“…An integrated active neutron non-destructive analysis (NDA) system, Active-N, was developed to gain knowledge of active neutron NDA techniques that are…”
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Simulation study on the design of nondestructive measurement system using fast neutron direct interrogation method to nuclear materials in fuel debris by Maeda, Makoto, Furutaka, Kazuyoshi, Kureta, Masatoshi, Ohzu, Akira, Komeda, Masao, Toh, Yosuke

“…In order to measure the amount of nuclear materials in the fuel debris produced in the Fukushima Daiichi Nuclear Power Plant accident, we have designed a…”
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Scaling Dependence of a Low Temperature Operated Copper Vapor Laser by Ohzu, Akira, Kato, Masaaki, Maruyama, Yoichiro

“…An experimental study focused on the radial scaling of HyBrID (Hydrogen Bromide In Discharge) copper vapor lasers has been carried out by using laser tubes…”
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Temporal Change of Thermal Lens Effects on Highly Pumped Ytterbium Glass by Wavefront Measurement by NISHIMURA, Akihiko, AKAOKA, Katsuaki, OHZU, Akira, USAMI, Tsutomu

“…The temporal change of thermal lens effects has been measured for the development of high efficient laser system. Ytterbium phosphate glass was used due to its…”
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Effect of gas convection induced by cross-field discharge in a copper vapor laser by Ohzu, Akira, Kato, Masaaki, Maruyama, Yoichiro

“…Magnetic field has been applied to a copper vapor laser with an intention of improving the laser characteristics by inner gas convection. The convection…”
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Production and detection of fission-induced neutrons following fast neutron direct interrogation to various dry materials containing 235U by Sakoda, Akihiro, Nakatsuka, Yoshiaki, Ishimori, Yuu, Nakashima, Shinichi, Komeda, Masao, Ohzu, Akira, Toh, Yosuke

“…For better nuclear material accountancy, we had developed a non-destructive assay system dedicated to uranium waste drums (JAWAS-N: JAEA Waste Assay System at…”
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Production and detection of fission-induced neutrons following fast neutron direct interrogation to various dry materials containing 235 U by Sakoda, Akihiro, Nakatsuka, Yoshiaki, Ishimori, Yuu, Nakashima, Shinichi, Komeda, Masao, Ohzu, Akira, Toh, Yosuke

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Enhancement of soft X-ray emission from a pinch plasma using a rotating plasma for pre-ionization by Ohzu, Akira

“…An experimental study on the enhancement of soft X-ray emission from a pinch plasma has been carried out by using a rotating plasma for pre-ionization. The…”
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Influence of Cs and Ag metal vapor on output characteristics of a HyBrID copper vapor laser by Ohzu, Akira, Kato, Masaaki, Maruyama, Yoichiro

“…Effects of Cs and Ag metal vapor additives on the lasing performance of a HyBrID copper vapor laser have been experimentally investigated. By adding Cs to the…”
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Enhancement of ion extraction from a cold plasma with radio-frequency plasma heating by Ohzu, Akira, Suzuki, Yoji, Maruyama, Yoichiro, Arisawa, Takashi

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Temporal Change of Thermal Lens Effects on Highly Pumped Ytterbium Glass by Wavefront Measurement by NISHIMURA, Akihiko, AKAOKA, Katsuaki, OHZU, Akira, USAMI, Tsutomu

“…The temporal change of thermal lens effects has been measured for the development of high efficient laser system. Ytterbium phosphate glass was used due to its…”
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Comparative study of gas composition in a low temperature operated copper vapor laser by Ohzu, Akira, Kato, Masaaki, Maruyama, Yoichiro

“…The effect of gas composition on a HyBrID copper vapor laser has been experimentally investigated by changing a gas mixture combination of hydrogen halide gas…”
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Growth of dendrites in a large bore HyBrID copper vapor laser by Ohzu, Akira, Kato, Masaaki, Maruyama, Yoichiro

“…Rapid growth of copper dendrites on the surface of copper metal has been observed in the discharge region of a large-bore (80 mm diameter) HyBrID copper vapor…”
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High-energy flashlamp-pumped Ti:sapphire laser for Yb:glass chirped-pulse amplification by Nishimura, A., Ohzu, A., Sugiyama, A., Maruyama, Y., Arisawa, T., Takuma, H., Nees, J., Subrat Biswal, Mourou, G., Erickson, E., Owada, S., Satou, S.

“…Summary form only given. A new flashlamp-pumped Ti:sapphire laser has been demonstrated for further high-energy Yb:glass chirped pulse amplification (CPA)…”
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