Erlangen 2022 – scientific programme

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MO: Fachverband Molekülphysik

MO 5: Femtosecond Spectroscopy I

MO 5.1: Invited Talk

Tuesday, March 15, 2022, 10:30–11:00, MO-H6

Extending coherent multidimensional spectroscopy to new target systems and new light sources — •Lukas Bruder — Institute of Physics, University of Freiburg, Germany

Coherent multidimensional spectroscopy (CMDS) is a powerful ultrafast spectroscopy technique which reveals couplings and system-bath interactions with unprecedented detail. While CMDS is mainly applied to liquid phase samples, we have recently extended the method to cluster beams prepared in the gas phase [1,2]. In contrast to experiments in the condensed phase, cluster beams provide isolated nanosystems in which fundamental molecular processes can be studied with high resolution. Furthermore, we have implemented wave packet interferometry, the basic principle of CMDS, with new extreme ultraviolet light sources [3,4]. This opens up the perspective of CMDS experiments with attosecond time resolution and element specific probing.

[1] L. Bruder et al., Nat Commun 9, 4823 (2018).

[2] U. Bangert et al., arXiv:2112.05418 (2021).

[3] A. Wituschek et al., Nat Commun 11, 1 (2020).

[4] A. Wituschek et al., New J. Phys. 22, 092001 (2020).