"Beam `a la carte": laser heater shaping for attosecond pulses in a multiplexed x-ray free-electron laser
/ Authors
Siqi Li, Zhen Zhang, S. Alverson, D. Cesar, T. Driver, P. Franz, Erik Isele, J. Duris, K. Larsen, Ming-Fu Lin
and 12 more authors
R. Obaid, Jordan T. O'Neal, R. Robles, N. Sudar, Zhaoheng Guo, Sharon Vetter, Peter Walter, Anna L. Wang, Joseph Xu, Sergio Carbajo, J. Cryan, A. Marinelli
/ Abstract
Electron beam shaping allows the control of the temporal properties of x-ray free-electron laser pulses from femtosecond to attosecond timescales. Here we demonstrate the use of a laser heater to shape electron bunches and enable the generation of attosecond x-ray pulses. We demonstrate that this method can be applied in a selective way, shaping a targeted subset of bunches while leaving the remaining bunches unchanged. This experiment enables the delivery of shaped x-ray pulses to multiple undulator beamlines, with pulse properties tailored to specialized scientific applications.