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Now showing items 1-6 of 6

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    Amorphous nanostructuralization in HOPG by 10(14) W cm(-2) laser 

    Nishimura, Yasuhiko; Kitagawa, Yoneyoshi; Mori, Yoshitaka; Ishii, Katsuhiro; Hanayama, Ryohei; Azuma, Hirozumi; Hioki, Tatsumi; Nishi, Teppei; Motohiro, Tomoyoshi; Komeda, Osamu; Sekine, Takashi; Sato, Nakahiro; Kurita, Takashi; Kawashima, Toshiyuki; Kan, Hirofumi; Sunahara, Atsushi; Sentoku, Yasuhiko; Miura, Eisuke (2016)
    This reports provide an amorphous nanostructuralization technique on the surface modification in Highly Oriented Pyrolytic Graphite (HOPG) by using a femtosecond laser. We showed, for the first time, that the surface of ...
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    Multilayered polycrystallization in single-crystal YSZ by laser-shock compression 

    Nishimura, Yasuhiko; Kitagawa, Yoneyoshi; Mori, Yoshitaka; Hioki, Tatsumi; Azuma, Hirozumi; Motohiro, Tomoyoshi; Komeda, Osamu; Ishii, Katsuhiro; Hanayama, Ryohei; Sekine, Takashi; Sunahara, Atsushi; Kajino, Tsutomu; Nishi, Teppei; Kondo, Takuya; Fujine, Manabu; Sato, Nakahiro; Kurita, Takashi; Kawashima, Toshiyuki; Kan, Hirofumi; Miura, Eisuke; Sentoku, Yasuhiko (2015)
    A single shot of an ultra-intense laser with 0.8 J of energy and a pulse width of 110 fs (peak intensity of 1.15 x 10(17) W cm(-2)) is divided into two beams and the two beams counter-irradiated onto a 0.5 mm-thick single ...
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    Progress toward a unified kJ-machine CANDY 

    Kitagawa, Yoneyoshi; Mori, Yoshitaka; Komeda, Osamu; Hanayama, Ryohei; Ishii, Katsuhiro; Okihara, Shinichiro; Fujita, Kazuhisa; Nakayama, Suisei; Sekine, Takashi; Sato, Nakahiro; Kurita, Takashi; Kawashima, Toshiyuki; Watari, Takeshi; Kan, Hirofumi; Nakamura, Naoki; Kondo, Takuya; Fujine, Manabu; Azuma, Hirozumi; Motohiro, Tomoyoshi; Hioki, Tatsumi; Kakeno, Mitsutaka; Nishimura, Yasuhiko; Sunahara, Atsushi; Sentoku, Yasuhiko; Miura, Eisuke; Arikawa, Yasunobu; Nagai, Takahiro; Abe, Yuki; Ozaki, Satoshi; Noda, Akira (2016)
    To construct a unified experimental machine CANDY using a kJ DPSSL driver in the fast -ignition scheme, the Laser for Fast Ignition Experiment (LFEX) at Osaka is used, showing that the laser-driven ions heat the preimploded ...
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    Repetitive Solid Spherical Pellet Injection and Irradiation toward the Repetitive-mode Fast-Ignition Fusion mini-Reactor CANDY. 

    Hanayama, Ryohei; Komeda, Osamu; Nishimura, Yasuhiko; Mori, Yoshitaka; Ishii, Katsuhiro; Nakayama, Suisei; Okihara, Shinichiro; Fujita, Kazuhisa; Sekine, Takashi; Sato, Nakahiro; Kurita, Takashi; Kawashima, Toshiyuki; Kan, Hirofumi; Nakamura, Naoki; Kondo, Takuya; Fujine, Manabu; Azuma, Hirozumi; Hioki, Tatsumi; Kakeno, Mitsutaka; Motohiro, Tomoyoshi; Sunahara, Atsushi; Sentoku, Yasuhiko; Miura, Eisuke; Kitagawa, Yoneyoshi (2016)
    Pellet injection and repetitive laser illumination are key technologies for realizing inertial fusion energy[1-4]. Neutron generator using lasers also requires a repeating pellet target supplier. Here we present the first ...
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    Target Monitoring and Plasma Diagnosis using 2 omega probe beam for CANDY 

    Ishii, Katsuhiro; Mori, Yoshitaka; Hanayama, Ryohei; Nakayama, Suisei; Okihara, Shinichiro; Fujita, Kazuhisa; Sekina, Takashi; Sato, Nakahiro; Kurita, Takashi; Kawashima, Toshiyuki; Kan, Hirofumi; Komeda, Osamu; Nakamura, Naoki; Kondo, Takuya; Fujine, Manabu; Azuma, Hirozumi; Hioki, Tatsumi; Kakeno, Mitsutaka; Motohiro, Tomoyoshi; Nishimura, Yasuhiko; Sunahara, Atsushi; Sentoku, Yasuhiko; Miura, Eisuke; Kitagawa, Yoneyoshi (2016)
    We have developed the shadowgraph and interferometer with second-harmonic of heating pulses laser to observe target and plasma in highly-repetitive fusion reaction experiments. In the deuterated polystyrene ((C8D8) n double ...
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    Upgrade of repetitive fast-heating fusion driver HAMA to implode a shell target by using diode pumped solid state laser 

    Mori, Yoshitaka; Sekine, Takashi; Komeda, Osamu; Nishimura, Yasuhiko; Sunahara, Atsushi; Miura, Eisuke; Nakayama, Suisei; Hanayama, Ryohei; Ishii, Katsuhiro; Sato, Nakahiro; Kurita, Takashi; Kawashima, Toshiyuki; Kan, Hirofumi; Nakamura, Naoki; Kondo, Takuya; Fujine, Manabu; Azuma, Hirozumi; Hioki, Tatsumi; Kakeno, Mitsutaka; Kajino, Tsutomu; Motohiro, Tomoyoshi; Sentoku, Yasuhiko; Kitagawa, Yoneyoshi (2016)
    The HAMA is 1-Hz fast heating fusion driver pumped by a 10 J second-harmonic of diode-pumped Nd:glass laser: KURE-1. We have upgraded HAMA to realize an implosion of spherical shell target by using a remaining fundamental ...