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W/cm
Faenov, A.*; Hansen, S.*; Colgan, J.*; Abdallah, J.*; Pikuz, T. A.; Pikuz, S.*; Skobelev, I.*; 西内 満美子; 榊 泰直; 前田 祥太; et al.
no journal, ,
K-shell spectra of Al and Fe were excited by irradiation of thin foils with 30 fs laser pulses of J-KAREN laser facility with intensities up to 10 W/cm. Different dependences of measured spectra from the laser energy, different thicknesses of foils were investigated. Two independent models are used to provide a detail theoretical study of the role of the various configurations and processes in the formation of the observed spectra.
Pikuz, T. A.; Faenov, A.*; Magnitskiy, S.*; Nagorskiy, N.*; Pikuz, S.*; 田中 桃子; 石野 雅彦; 錦野 将元; 神門 正城; 加藤 義章*; et al.
no journal, ,
Experimental founding of unknown interference structure in a spatial profile of the output beam of the two-stage plasma X-ray laser is reported. It is allowed us experimentally and theoretically discovers a new phenomenon - generation a phase-matched coherent point source of soft X-ray radiation in a plasma media by propagated X-ray laser seeded beam, which could additionally extend the applications of such lasers. We have developed a method of solving the Maxwell-Bloch equations, which has gave us finding that the observed phenomenon is due to the emergence in the plasma-amplifier of X-ray mirage in the form of the phase-matched coherent virtual point source.