Zobrazeno 1 - 10
of 479
pro vyhledávání: '"Nishikino M."'
Autor:
Pirozhkova, M. S., Ogura, K., Sagisaka, A., Esirkepov, T. Zh., Faenov, A. Ya., Pikuz, T. A., Kotaki, H., Hayashi, Y., Fukuda, Y., Koga, J. K., Bulanov, S. V., Daido, H., Hasegawa, N., Ishino, M., Nishikino, M., Koike, M., Kawachi, T., Kiriyama, H., Kando, M., Neely, D., Pirozhkov, A. S.
High-order harmonics are ubiquitous in nature and present in electromagnetic, acoustic, and gravitational waves. They are generated by periodic nonlinear processes or periodic high-frequency pulses. However, this periodicity is often inexact, such as
Externí odkaz:
http://arxiv.org/abs/2306.01018
Autor:
Seres, J., Seres, E., Serrat, C., Dinh, T. H., Hasegawa, N., Ishino, M., Nishikino, M., Nakano, K., Namba, S.
We report the realization and characterization of parametric amplification in high harmonic generation around 100 eV using He gas in a double gas jet arrangement. The delay of the seed XUV pulse with respect to the amplifier gas jet was scanned by ch
Externí odkaz:
http://arxiv.org/abs/2201.10966
Autor:
Nishimura H., Zhang Z., Namimoto T., Fujioka S., Koga M., Shiraga H., Ozaki T., Iwawaki T., Morioka T., Morita K., Habara H., Tanaka K.A., Nishikino M., Kawachi T., Sagisaka A., Orimo S., Pirozhkov A.S., Ogura K., Yogo A., Kiriyama H., Kondo K., Shimomura T., Kanazawa S., Okano Y., Azechi H.
Publikováno v:
EPJ Web of Conferences, Vol 59, p 13008 (2013)
Absolute Kα line spectroscopy is proposed to study laser-plasma interactions taking place in cone-guided fast ignition targets. A transmission-type spectrometer was developed, and its absolute sensitivity was measured with laser-generated x-rays and
Externí odkaz:
https://doaj.org/article/3847fd7ebd284ad48fe696debf0a83a6
Autor:
Zhang Z., Nishimura H., Nishikino M., Sunahara A., Johzaki T., Cai H.B., Kawachi T., Pirozhkov A.S., Sagisaka A., Orimo S., Ogura K., Yogo A., Okano Y., Ohshima S., Fujioka S., Kiriyama H., Kondo K., Shimomura T., Kanazawa S.
Publikováno v:
EPJ Web of Conferences, Vol 59, p 18003 (2013)
Kα line emission from Mo was experimentally and theoretically studied using clean, ultrahigh-intensity femtosecond laser pulses. The absolute yields of Kα x-rays at 17 keV from Mo were measured as a function of the laser pulse contrast ratio and ir
Externí odkaz:
https://doaj.org/article/eb7d5241305b41a7bf2179042f02c868
Parametric amplification of attosecond coherent pulses around 100 eV at the single-atom level is demonstrated for the first time by using the 3D time-dependent Schr{\"o}dinger equation in high-harmonic generation processes from excited states of He$^
Externí odkaz:
http://arxiv.org/abs/2003.12292
We calculate the electron excitation in cubic silicon carbide (3C-SiC) caused by the intense femtosecond laser double pulses using time-dependent density functional theory (TDDFT). We assume the electron distributions in the valence band (VB) and the
Externí odkaz:
http://arxiv.org/abs/1707.06758
Autor:
Pirozhkov, A. S., Esirkepov, T. Zh., Pikuz, T. A., Faenov, A. Ya., Ogura, K., Hayashi, Y., Kotaki, H., Ragozin, E. N., Neely, D., Kiriyama, H., Koga, J. K., Fukuda, Y., Sagisaka, A., Nishikino, M., Imazono, T., Hasegawa, N., Kawachi, T., Bolton, P. R., Daido, H., Kato, Y., Kondo, K., Bulanov, S. V., Kando, M.
Publikováno v:
Scientific Reports 7, 17968 (2017)
In various media the elementary components can emit traveling waves such as electromagnetic, gravitational or acoustic types. If these elementary emitters are synchronized, the resulting emission is coherent. Moreover, the faster the emitters approac
Externí odkaz:
http://arxiv.org/abs/1611.05547
Akademický článek
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Publikováno v:
In High Energy Density Physics August 2020 36
Autor:
Inogamov, N. A., Zhakhovsky, V. V., Faenov, A. Ya., Khokhlov, V. A., Shepelev, V. V., Skobelev, I. Yu., Kato, Y., Tanaka, M., Pikuz, T. A., Kishimoto, M., Ishino, M., Nishikino, M., Fukuda, Y., Bulanov, S. V., Kawachi, T., Petrov, Yu. V., Anisimov, S. I., Fortov, V. E.
Short laser pulse in wide range of wavelengths, from infrared to X-ray, disturbs electron-ion equilibrium and rises pressure in a heated layer. The case where pulse duration $\tau_L$ is shorter than acoustic relaxation time $t_s$ is considered in the
Externí odkaz:
http://arxiv.org/abs/0912.3184