most citedSuperfluorescence, free-induction decay, and four-wave mixing: propagation of free-electron laser pulses through a dense sample of helium ions

33 citations · 33 across the 1 of their papers we have counts for

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physics.atom-ph2018★ 33 cited

Superfluorescence, free-induction decay, and four-wave mixing: propagation of free-electron laser pulses through a dense sample of helium ions

James R Harries, Hiroshi Iwayama, Susumu Kuma +9

We report an experimental and numerical study of the propagation of free-electron laser pulses (wavelength 24.3 nm) through helium gas. Ionisation and excitation populates the He$^…