Journal of synchrotron radiation
Simultaneous lasing of Ni Kα and Cu Kα lasers from an alloy foil irradiated with an intense X-ray free-electron laser pulse.
Yuichi Inubushi, Gota Yamaguchi, Jumpei Yamada, Yuya Kubota, Ichiro Inoue, Taito Osaka, Makina Yabashi
Published: 202610.1107/S1600577525010914
Abstract
We report the simultaneous lasing of two distinct Kα emissions at photon energies of 7.48 keV (Ni Kα1) and 8.05 keV (Cu Kα1). This was achieved by a population inversion induced through intense X-ray free-electron laser (XFEL) irradiation of a Cu-Ni…
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