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Published on: October 23, 2018
A broadband laser plasma x-ray source for application in ultrafast chemical structure dynamics
Wilfred Fullagar1, Michael Harbst, Sophie Canton
1Division of Chemical Physics, Lund University, PO Box 124, SE-22100 Lund, Sweden.
Abstract:
A plasma source free from characteristic emission lines is described, based on laser irradiation of a water jet in a helium atmosphere. Various key aspects of the laser interaction are presented along with practical characterization of the observed isotropic approximately 4-10 keV x-ray emissions, measurements of which indicate subpicosecond duration. Observations are consistent with a vacuum heating plasma mechanism at the helium-water interface and indicate strong potential for in-house ultrafast chemical structure dynamics application when coupled to contemporary detector developments.
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