X-ray two-photon absorption with high fluence XFEL pulses

Synopsis We report on nonlinear interaction of solid Fe with intense femtosecond hard x-ray free-electron laser (XFEL) pulses. The experiment was performed at the CXI end-station of the Linac Coherent Light Source (LCLS) by means of high- resolution x-ray emission spectroscopy. The focused x-ray bea...

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Veröffentlicht in:	Journal of physics. Conference series 2015-09, Vol.635 (10), p.102009
Hauptverfasser:	Hoszowska, J, Szlachetko, J, Dousse, J-Cl, B achucki, W, Kayser, Y, Milne, Ch, Pajek, M, Boutet, S, Messerschmidt, M, Williams, G, Chantler, C T
Format:	Artikel
Sprache:	eng
Schlagworte:	Coherent light Fluence Free electron lasers Hollow atoms Light sources NUCLEAR PHYSICS AND RADIATION PHYSICS Photon absorption Photons Physics PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
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Beschreibung
Zusammenfassung:	Synopsis We report on nonlinear interaction of solid Fe with intense femtosecond hard x-ray free-electron laser (XFEL) pulses. The experiment was performed at the CXI end-station of the Linac Coherent Light Source (LCLS) by means of high- resolution x-ray emission spectroscopy. The focused x-ray beam provided extreme fluence of ∼105 photons Å2. Two-photon absorption leading to K-shell hollow atom formation and to single K-shell ionization of solid Fe was investigated.
ISSN:	1742-6588 1742-6596
DOI:	10.1088/1742-6596/635/10/102009