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Philipp Dijkstal (Paul Scherrer Institut)07/11/2024, 09:30Oral presentation (preferred)
The electron beam is the lasing medium of a Free-Electron Laser (FEL). When driven to saturation, the high-gain FEL process leaves a measurable imprint in the electron beam longitudinal phase space (LPS, time-energy). In many FEL operation modes, there is an excellent time correlation between the FEL pulse and its imprint. After mapping time and energy coordinates to transverse coordinates by...
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Jia Liu (European XFEL)07/11/2024, 10:00Oral presentation (preferred)
Pump and probe techniques utilizing high peak brightness X-ray free electron lasers (XFELs) are powerful tools for studying X-ray nonlinear optics, ultrafast X-ray matter interactions and subsequent ultrafast dynamics. Owning to the stochastical properties of the SASE X-ray pulses, ultrafast pump and probe experiment normally requires a precise characterization of the temporal properties of...
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Wojciech Błachucki (Institute of Nuclear Physics, Polish Academy of Sciences)07/11/2024, 10:30Oral presentation (preferred)
Recent years particular attention has been paid to X-ray pump-X-ray probe experiments enabling, for example, excitation of selective sites in a molecule or subshell in an atom with the pump pulse and monitoring its evolution with the probe. To mitigate the jitter of X-ray pulses produced independently (i.e. in two separate instruments), different X-ray free-electron lasers (XFELs) are...
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