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Enhancement of photon number reflected by the relativistic flying mirror

相対論的飛翔鏡からの反射光子数の増大

神門 正城; Pirozhkov, A. S.; 川瀬 啓悟; Esirkepov, T. Z.; 福田 祐仁; 桐山 博光; 岡田 大; 大東 出; 亀島 敬; 林 由紀雄; 小瀧 秀行; 森 道昭; Koga, J. K.; 大道 博行; Faenov, A. Y.; Pikuz, T.*; Ma, J.*; Chen, L. M.*; Ragozin, E. N.*; 河内 哲哉; 加藤 義章 ; 田島 俊樹; Bulanov, S. V.

Kando, Masaki; Pirozhkov, A. S.; Kawase, Keigo; Esirkepov, T. Z.; Fukuda, Yuji; Kiriyama, Hiromitsu; Okada, Hajime; Daito, Izuru; Kameshima, Takashi; Hayashi, Yukio; Kotaki, Hideyuki; Mori, Michiaki; Koga, J. K.; Daido, Hiroyuki; Faenov, A. Y.; Pikuz, T.*; Ma, J.*; Chen, L. M.*; Ragozin, E. N.*; Kawachi, Tetsuya; Kato, Yoshiaki; Tajima, Toshiki; Bulanov, S. V.

Laser light reflection by a relativistically moving electron density modulation (flying mirror) in a wake wave generated in a plasma by a high intense laser pulse is investigated experimentally. A counter-propagating laser pulse is reflected and up shifted in frequency with a multiplication factor of 37-66, corresponding to the extreme ultraviolet wavelength. The demonstrated flying mirror reflectivity (from 3$$times$$10$$^{-6}$$ to 2$$times$$10$$^{-5}$$, and from 1.3$$times$$10$$^{-4}$$ to 0.6$$times$$10$$^{-3},$$ for the photon number and pulse energy, respectively) is close to the theoretical estimate for the parameters of experiment.

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パーセンタイル:93.46

分野:Physics, Multidisciplinary

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