Undulator tapering compensates chirp-induced resonance detuning in energy-compressed LWFA beams for SASE FELs, restoring electron-radiation phase synchronization and boosting saturation power plus spectral quality.
Highly coherent and stable pulses from the FERMI seeded free-electron laser in the extreme ultraviolet
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Phase synchronization recovery in energy-compressed LWFA electron beams for free-electron lasers via undulator tapering
Undulator tapering compensates chirp-induced resonance detuning in energy-compressed LWFA beams for SASE FELs, restoring electron-radiation phase synchronization and boosting saturation power plus spectral quality.