Erlangen 2018 – wissenschaftliches Programm
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MO: Fachverband Molekülphysik
MO 5: X-Ray and XUV Spectroscopy (joint session MO/A)
MO 5.5: Hauptvortrag
Montag, 5. März 2018, 15:15–15:45, PA 2.150
Tracing the spatial and electronic structure of excited molecules using X-ray FEL and HHG light — •Kirsten Schnorr — Max-Planck-Institut für Kernphysik — University of California Berkeley
Free-Electron Lasers (FELs) are capable of producing intense and ultrashort X-ray pulses, which enable femtosecond time-resolved diffractive imaging experiments. This allows to initiate chemical reactions in molecules using an optical pump pulse and probing the induced changes in the nuclear structure by X-ray scattering using a delayed FEL pulse. Here, results on the strong-field induced dynamics of C60 molecules probed by soft and hard X-ray scattering will be presented.
A soft X-ray source based on high harmonic generation with photon energies up to 310 eV has been successfully commissioned and first time-resolved experiments carried out. Transient absorption experiments on the UV-induced dynamics of small carbon containing molecules, probed with a broadband soft X-ray pulse, will be shown.