An Experimental Protocol for Femtosecond NIR/UV - XUV Pump-Probe Experiments with Free-Electron Lasers

Rolles, Daniel; Boll, Rebecca; Erk, Benjamin; Rompotis, Dimitrios; Manschwetus, Bastian

doi:10.3791/57055

An Experimental Protocol for Femtosecond NIR/UV - XUV Pump-Probe Experiments with Free-Electron Lasers

Journal Article · Tue Oct 23 00:00:00 EDT 2018 · Journal of Visualized Experiments

DOI:https://doi.org/10.3791/57055· OSTI ID:1610054

Rolles, Daniel ^[1]; Boll, Rebecca ^[2]; Erk, Benjamin ^[3]; Rompotis, Dimitrios ^[3]; Manschwetus, Bastian ^[3]

Kansas State Univ., Manhattan, KS (United States); DOE/OSTI
Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany); European XFEL, Schenefeld (Germany)
Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)

This protocol describes key steps in performing and analyzing femtosecond pump-probe experiments that combine a femtosecond optical laser with a free-electron laser. This includes methods to establish the spatial and temporal overlap between the optical and free-electron laser pulses during the experiment, as well as important aspects of the data analysis, such as corrections for arrival time jitter, which are necessary to obtain high-quality pump-probe data sets with the best possible temporal resolution. These methods are demonstrated for an exemplary experiment performed at the FLASH (Free-electron LASer Hamburg) free-electron laser in order to study ultrafast photochemistry in gas-phase molecules by means of velocity map ion imaging. However, most of the strategies are also applicable to similar pump-probe experiments using other targets or other experimental techniques.

View Accepted Manuscript (DOE)

Research Organization:: Kansas State University, Manhattan, KS (United States)

Sponsoring Organization:: Federal Ministry of Education and Research (BMBF); Helmholtz Gemeinschaft; Max Planck Society; USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences & Biosciences Division

Grant/Contract Number:: FG02-86ER13491

OSTI ID:: 1610054

Journal Information:: Journal of Visualized Experiments, Journal Name: Journal of Visualized Experiments Journal Issue: 140; ISSN 1940-087X

Publisher:: MyJoVE Corp.Copyright Statement

Country of Publication:: United States

Language:: English

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47 OTHER INSTRUMENTATION
atomic and molecular physics
chemistry
femtosecond lasers
free-electron lasers
gas-phase molecules
issue 140
jitter correction
photochemistry
pump-probe experiments
science & technology
temporal and spatial overlap

An Experimental Protocol for Femtosecond NIR/UV - XUV Pump-Probe Experiments with Free-Electron Lasers

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References (14)

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