Generation of Short X-ray Pulse from Femtosecond Laser-Produced Plasma and its Application
作者： Hidetoshi Nakano , Peixiang Lu , Tadashi Nishikawa , Naoshi Uesugi
DOI: 10.1007/978-3-662-07313-1_11
关键词:
摘要: X-ray emission properties of femtosecond laser-produced plasmas, especially, their dependence on the atomic numbers target materials, are reported. The plasma emits an ultrashort x-ray pulse that is synchronized to a laser pulse. Utilizing this feature, we demonstrate time-resolved soft absorption measurements optically pumped silicon near its L II,III edge by means pump-probe spectroscopy. As result, observe more than 10% increase in caused irradiation, which transition core-electrons rapidly modified excitation valence electrons. measured recovery time constant change about 20 ps.
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