7 May 2009 XUV and IR electromagnetic radiation from nonlinear laser-plasma interaction
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Electromagnetic wave generation in the extreme ultraviolet (XUV) and infrared (IR) wavelength range occurs during the interaction of intense short laser pulses with underdense plasmas. XUV pulses are generated through laser light reflection from relativistically moving electron dense shells (flying mirrors). A proof-of-principle and an advanced experiment on flying mirrors are presented. Both of the experiments demonstrated light reflection and frequency upshift to the XUV wavelength range (14-20 nm). The advanced experiment with a head-on collision of two laser pulses exhibited the high reflected photon number. IR radiation, which is observed in the forward direction, has the wavelength of 5 μm and dominantly the same polarization as the driving laser. The source of the IR radiation is attributed to emission from relativistic solitons formed in the underdense plasma.
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Masaki Kando, Masaki Kando, Alexander S. Pirozhkov, Alexander S. Pirozhkov, Yuji Fukuda, Yuji Fukuda, Timur Zh. Esirkepov, Timur Zh. Esirkepov, Izuru Daito, Izuru Daito, Keigo Kawase, Keigo Kawase, Jinglong Ma, Jinglong Ma, Liming Chen, Liming Chen, Yukio Hayashi, Yukio Hayashi, Michiaki Mori, Michiaki Mori, Koichi Ogura, Koichi Ogura, Hideyuki Kotaki, Hideyuki Kotaki, Akito Sagisaka, Akito Sagisaka, Evgeny N. Ragozin, Evgeny N. Ragozin, Anatoly Faenov, Anatoly Faenov, Tatiana Pikuz, Tatiana Pikuz, Hiromitsu Kiriyama, Hiromitsu Kiriyama, Hajime Okada, Hajime Okada, Takashi Kameshima, Takashi Kameshima, James K. Koga, James K. Koga, Tetsuya Kawachi, Tetsuya Kawachi, Hiroyuki Daido, Hiroyuki Daido, Toyoaki Kimura, Toyoaki Kimura, Yoshiaki Kato, Yoshiaki Kato, Toshiki Tajima, Toshiki Tajima, Sergei V. Bulanov, Sergei V. Bulanov, } "XUV and IR electromagnetic radiation from nonlinear laser-plasma interaction", Proc. SPIE 7359, Harnessing Relativistic Plasma Waves as Novel Radiation Sources from Terahertz to X-Rays and Beyond, 73590K (7 May 2009); doi: 10.1117/12.820463; https://doi.org/10.1117/12.820463

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