Search Results - "Shiraga, H"

Enhancing laser beam performance by interfering intense laser beamlets by Morace, A., Iwata, N., Sentoku, Y., Mima, K., Arikawa, Y., Yogo, A., Andreev, A., Tosaki, S., Vaisseau, X., Abe, Y., Kojima, S., Sakata, S., Hata, M., Lee, S., Matsuo, K., Kamitsukasa, N., Norimatsu, T., Kawanaka, J., Tokita, S., Miyanaga, N., Shiraga, H., Sakawa, Y., Nakai, M., Nishimura, H., Azechi, H., Fujioka, S., Kodama, R.

“…Increasing the laser energy absorption into energetic particle beams represents a longstanding quest in intense laser-plasma physics. During the interaction…”
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Super-strong magnetic field-dominated ion beam dynamics in focusing plasma devices by Morace, A., Abe, Y., Honrubia, J. J., Iwata, N., Arikawa, Y., Nakata, Y., Johzaki, T., Yogo, A., Sentoku, Y., Mima, K., Ma, T., Mariscal, D., Sakagami, H., Norimatsu, T., Tsubakimoto, K., Kawanaka, J., Tokita, S., Miyanaga, N., Shiraga, H., Sakawa, Y., Nakai, M., Azechi, H., Fujioka, S., Kodama, R.

“…High energy density physics is the field of physics dedicated to the study of matter and plasmas in extreme conditions of temperature, densities and pressures…”
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Boosting laser-ion acceleration with multi-picosecond pulses by Yogo, A., Mima, K., Iwata, N., Tosaki, S., Morace, A., Arikawa, Y., Fujioka, S., Johzaki, T., Sentoku, Y., Nishimura, H., Sagisaka, A., Matsuo, K., Kamitsukasa, N., Kojima, S., Nagatomo, H., Nakai, M., Shiraga, H., Murakami, M., Tokita, S., Kawanaka, J., Miyanaga, N., Yamanoi, K., Norimatsu, T., Sakagami, H., Bulanov, S. V., Kondo, K., Azechi, H.

“…Using one of the world most powerful laser facility, we demonstrate for the first time that high-contrast multi-picosecond pulses are advantageous for proton…”
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Direct observation of imploded core heating via fast electrons with super-penetration scheme by Gong, T., Habara, H., Sumioka, K., Yoshimoto, M., Hayashi, Y., Kawazu, S., Otsuki, T., Matsumoto, T., Minami, T., Abe, K., Aizawa, K., Enmei, Y., Fujita, Y., Ikegami, A., Makiyama, H., Okazaki, K., Okida, K., Tsukamoto, T., Arikawa, Y., Fujioka, S., Iwasa, Y., Lee, S., Nagatomo, H., Shiraga, H., Yamanoi, K., Wei, M. S., Tanaka, K. A.

“…Fast ignition (FI) is a promising approach for high-energy-gain inertial confinement fusion in the laboratory. To achieve ignition, the energy of a short-pulse…”
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Production of intense, pulsed, and point-like neutron source from deuterated plastic cavity by mono-directional kilo-joule laser irradiation by Abe, Y., Sunahara, A., Lee, S., Yanagawa, T., Zhang, Z., Arikawa, Y., Morace, A., Nagai, T., Ikenouchi, T., Tosaki, S., Kojima, S., Sakata, S., Satoh, N., Watari, T., Nishihara, K., Kawashima, T., Yogo, A., Sakagami, H., Shiraga, H., Nishimura, H., Mima, K., Azechi, H., Norimatsu, T., Nakai, M., Fujioka, S.

“…This paper reports an experimental investigation of a scheme to produce an intense, pulsed, point-like, and quasi-monoenergy neutron source. In this scheme,…”
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The avalanche image intensifier panel for fast neutron radiography by using laser-driven neutron sources by Mizutani, R., Abe, Y., Arikawa, Y., Nishibata, J., Yogo, A., Mirfayzi, S.R., Nishimura, H., Mima, K., Fujioka, S., Nakai, M., Shiraga, H., Kodama, R.

“…Laser-driven neutrons have been expected as an optimum source for neutron radiography applications. Since the neutron fluence is lower than that of…”
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Fast heating scalable to laser fusion ignition by Kodama, R

“…Rapid heating of a compressed fusion fuel by a short-duration laser pulse is a promising route to generating energy by nuclear fusion, and has been…”
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Induction of neurite outgrowth in PC12 cells by the medium-chain fatty acid octanoic acid by Kamata, Y, Shiraga, H, Tai, A, Kawamoto, Y, Gohda, E

“…Abstract It has been shown that polyunsaturated fatty acids such as arachinonic and docosahexanoic acids but not monounsaturated and saturated long-chain fatty…”
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Monte Carlo particle collision model for qualitative analysis of neutron energy spectra from anisotropic inertial confinement fusion by Abe, Y., Johzaki, T., Sunahara, A., Arikawa, Y., Ozaki, T., Ishii, K., Hanayama, R., Okihara, S., Miura, E., Komeda, O., Sakata, S., Matsuo, K., Morita, H., Takizawa, R., Mizutani, R., Iwamoto, A., Sakagami, H., Sentoku, Y., Shiraga, H., Nakai, M., Fujioka, S., Mori, Y., Kitagawa, Y.

“…A Monte Carlo (MC) code simulating the kinetics of two-particle collisions has shown to have certain advantages in the spectral analysis of neutrons from…”
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Comprehensive diagnosis of growth rates of the ablative Rayleigh-Taylor instability by Azechi, H, Sakaiya, T, Fujioka, S, Tamari, Y, Otani, K, Shigemori, K, Nakai, M, Shiraga, H, Miyanaga, N, Mima, K

“…The growth rate of the ablative Rayleigh-Taylor instability is approximated by gamma = square root[kg/(1 + kL)] - beta km/rho(a), where k is the perturbation…”
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Experimental evidence of impact ignition: 100-fold increase of neutron yield by impactor collision by Azechi, H, Sakaiya, T, Watari, T, Karasik, M, Saito, H, Ohtani, K, Takeda, K, Hosoda, H, Shiraga, H, Nakai, M, Shigemori, K, Fujioka, S, Murakami, M, Nagatomo, H, Johzaki, T, Gardner, J, Colombant, D G, Bates, J W, Velikovich, A L, Aglitskiy, Y, Weaver, J, Obenschain, S, Eliezer, S, Kodama, R, Norimatsu, T, Fujita, H, Mima, K, Kan, H

“…We performed integrated experiments on impact ignition, in which a portion of a deuterated polystyrene (CD) shell was accelerated to about 600 km/s and was…”
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Laser oscillation in 5-cm Nd-doped silica fiber fabricated by zeolite method by Murakami, M., Yoshida, M., Nakano, H., Fujimoto, Y., Shiraga, H., Motokoshi, S., Matsuoka, S., Maeda, J., Kan, H.

“…We have demonstrated a laser oscillation in the highest concentration and the shortest Nd-doped silica fiber, an only 5-cm multimode Nd-doped silica fiber…”
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Evaluation of laser-driven ion energies for fusion fast-ignition research by Tosaki, S, Yogo, A, Koga, K, Okamoto, K, Shokita, S, Morace, A, Arikawa, Y, Fujioka, S, Nakai, M, Shiraga, H, Azechi, H, Nishimura, H

“…Abstract We investigate laser-driven ion acceleration using kJ-class picosecond (ps) laser pulses as a fundamental study for ion-assisted fusion fast ignition,…”
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Observation of ultrahigh gradient electron acceleration by a self-modulated intense short laser pulse by Nakajima, K, Fisher, D, Kawakubo, T, Nakanishi, H, Ogata, A, Kato, Y, Kitagawa, Y, Kodama, R, Mima, K, Shiraga, H, Suzuki, K, Yamakawa, K, Zhang, T, Sakawa, Y, Shoji, T, Nishida, Y, Yugami, N, Downer, M, Tajima, T

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Hot electron spectra in hole-cone shell targets and a new proposal of the target for fast ignition in laser fusion by Ozaki, T, Sunahara, A, Shiraga, H, Arikawa, Y, Fujioka, S, Sakagami, H, Zhang, Z, Nagatomo, H, Johzaki, T, Namimoto, T, Taga, M, Kojima, S, Abe, Y, Ishihara, K, Nagai, T, Sakata, S, Hattori, S, Sakawa, Y, Nishimura, H, Azechi, H

“…The traditional fast ignition scheme is that a compressed core created using an imploding laser is auxiliary heated and ignited by hot electrons (produced…”
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Magnetic property of potassium clusters in pressure-doped zeolite A by Nam, N.H., Araki, S., Shiraga, H., Kawasaki, S., Nozue, Y.

“…The pressure-doping technique was developed for further loading of guest potassium metal into porous crystals of zeolite beyond the upper limit at ambient…”
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High-resolution X-ray imaging in fast ignition experiment using Gekko and LFEX lasers by Koga, M., Ishii, Y., Sogo, T., Shigemori, K., Shiraga, H., Fujioka, S., Azechi, H.

“…We improved diagnostic instruments to measure X-ray images in a hard X-ray harsh environment and succeeded in obtaining clear images with X-ray framing camera…”
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Present states and future prospect of fast ignition realization experiment (FIREX) with Gekko and LFEX Lasers at ILE by Koga, Mayuko, Arikawa, Y., Azechi, H., Fujimoto, Y., Fujioka, S., Habara, H., Hironaka, Y., Homma, H., Hosoda, H., Jitsuno, T., Johzaki, T., Kawanaka, J., Kodama, R., Mima, K., Miyanaga, N., Murakami, M., Nagatomo, H., Nakai, M., Nakata, Y., Nakamura, H., Nishimura, H., Norimatsu, T., Sakawa, Y., Sarukura, N., Shigemori, K., Shiraga, H., Shimizu, T., Takabe, H., Tanabe, M., Tanaka, K.A., Tanimoto, T., Tsubakimoto, T., Watari, T., Sunahara, A., Isobe, M., Iwamoto, A., Mito, T., Motojima, O., Ozaki, T., Sakagami, H., Taguchi, T., Nakao, Y., Cai, H., Key, M., Norreys, P., Pasley, J.

“…The fast ignition realization experiment (FIREX) project is progressing. The new short pulse laser system, LFEX laser, has been completely assembled and one of…”
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Urinary megalin deficiency implicates abnormal tubular endocytic function in Fanconi syndrome by NORDEN, Anthony G. W, LAPSLEY, Marta, UNWIN, Robert J, VERROUST, Pierre, MOESTRUP, Søren K, IGARASHI, Takashi, KELLEHER, Catherine L, LEE, Philip J, MATSUYAMA, Takeshi, SCHEINMAN, Steven J, SHIRAGA, Hiroshi, SUNDIN, David P, THAKKER, Rajesh V

“…Normal reabsorption of glomerular filtrate proteins probably requires recycling of the endocytic receptors megalin (gp330) and cubilin. Both receptors are…”
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Fast heating of cylindrically imploded plasmas by petawatt laser light by Nakamura, H, Sentoku, Y, Matsuoka, T, Kondo, K, Nakatsutsumi, M, Norimatsu, T, Shiraga, H, Tanaka, K A, Yabuuchi, T, Kodama, R

“…We produced cylindrically imploded plasmas, which have the same density-radius product of the imploded plasma rhoR with the compressed core in the fast…”
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