Impact Factor:0.0
DOI number:10.1103/PhysRevLett.119.154801
Journal:Phys. Rev. Lett.
Abstract:A simple method for generating single-spike hard x-ray pulses in free-electron lasers (FELs) has been developed at the Linac Coherent Light Source (LCLS). This is realized by nonlinear bunch compression using 20-pC bunch charge, demonstrated in the hard x-ray regime at 5.6 and 9 keV, respectively. Measurements show about half of the FEL shots containing a single-spike spectrum. At 5.6-keV photon energy, the single-spike shots have a mean pulse energy of about 10 μJ with 70% intensity fluctuation and the pulse full width at half maximum is evaluated to be at 200-as level.
Volume:119
Page Number:154801
Translation or Not:no
Date of Publication:2017-10-13
Links to published journals:https://doi.org/10.1103/PhysRevLett.119.154801
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