Journal
NEW JOURNAL OF PHYSICS
Volume 19, Issue -, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1367-2630/aa652d
Keywords
free-electron laser; pump-probe experiments; photodissociation; velocity map imaging; time-resolved ion imaging
Categories
Funding
- Max Planck Society
- BMBF [05K10KT2]
- Chemical Sciences, Geosciences, and Biosciences Division, Office of Basic Energy Sciences, Office of Science, US Department of Energy [DE-FG02-86ER13491, DE-SC0012376]
- Helmholtz Gemeinschaft through the Helmholtz Young Investigator Program
- Helmholtz Networking and Initiative Funds
- excellence cluster 'The Hamburg Center for Ultrafast Imaging-Structure, Dynamics and Control of Matter at the Atomic Scale' of the Deutsche Forschungsgemeinschaft (CUI) [DFG-EXC1074]
- Helmholtz Virtual Institute 'Dynamic Pathways in Multidimensional Landscapes' [419]
- EU [641789]
- Deutsche Forschungsgemeinschaft [B03/SFB755, C02/SFB1073, RO 4577/1-1]
- EPSRC [EP/L005913/1]
- Swedish Research Council
- Swedish Foundation for Strategic Research
Ask authors/readers for more resources
In pump-probe experiments employing a free-electron laser (FEL) in combination with a synchronized optical femtosecond laser, the arrival-time jitter between the FEL pulse and the optical laser pulse often severely limits the temporal resolution that can be achieved. Here, we present a pump-probe experiment on the UV-induced dissociation of 2,6-difluoroiodobenzene (C6H3F2I) molecules performed at the FLASH FEL that takes advantage of recent upgrades of the FLASH timing and synchronization system to obtain high-quality data that are not limited by the FEL arrival-time jitter. Wediscuss in detail the necessary data analysis steps and describe the origin of the timedependent effects in the yields and kinetic energies of the fragment ions that we observe in the experiment.
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