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Hannover 2016 – scientific programme

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MO: Fachverband Molekülphysik

MO 4: Cold Molecules & Helium Droplets 1

MO 4.2: Talk

Monday, February 29, 2016, 14:45–15:00, f142

Diffractive imaging of aligned gas-phase molecules — •Thomas Kierspel1,2, Fenglin Wang1,3, and Jochen Küpper1,2,41Center for Free-Electron Laser Science, DESY, Hamburg, Germany — 2The Hamburg Center for Ultrafast Imaging, University of Hamburg, Germany — 3PULSE Institute, Stanford University, Stanford, Califorina, USA — 4Department of Physics, University of Hamburg, Germany

Diffractive imaging of aligned and oriented molecules in the gas phase is a promising tool to unravel ultrafast molecular dynamics [1,2], such as internal rearrangement processes or photofragmentation. We present an experimental approach to strongly align molecules at full repetition rate of free-electron lasers [3]. The molecules were non-adiabatically aligned with a chirped laser pulses (pulse duration 94 ps) provided by the available in-house Ti:Sapphire laser system at the Coherent X-ray Imaging (CXI) beamline at the Linac Coherent Light Source (LCLS). We report on the current status of the photon data analysis and discuss prospects for future experiments. This work was carried out in a collaboration with the spokespersons F. Wang, J. Küpper, P. Bucksbaum, and H. Chapman. The collaboration consists of CFEL, PULSE, LCLS, European XFEL, Aarhus University, Kansas State University, Stanford University, and Uppsala University. Use of the LCLS, SLAC national accelerator laboratory, is supported by the US Department of Energy, Office of Science, and Office of Basic Energy Sciences.
[1]Phys. Rev. Lett. 112(8), 083002 (2014) [2]Ann. Rev. Phys. Chem., 64(1), 415-435 (2013) [3] J. Phys. B. 48(20), 204002 (2015)

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