Bonn 2025 – wissenschaftliches Programm

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MO: Fachverband Molekülphysik

MO 20: Poster – Molecular Spectroscopy and Dynamics

MO 20.3: Poster

Mittwoch, 12. März 2025, 17:00–19:00, Tent

A newsetup for Free Electron Laser based photoelectron spectroscopy — •Nishtha Lakhanpal, Kariman Elshimi, Bernd von Issendorff, and Fabian Bär — University of Freiburg

The development of intense light sources in the XUV and X-ray ranges opens new avenues for the study of free clusters and nanoparticles. A new setup for photoelectron spectroscopy is currently under construction to investigate size-selected, deeply cold clusters, with a focus on characterizing ultrafast electronic processes. This setup will enable the exploitation of the vast potential of FELs in photoelectron spectroscopy. Several components, such as the magnetic bottle photoelectron spectrometer, cluster source, and specialized ion optics, are already in place. Additional components, including a QMS, deflector, and ion trap, are still under development.

[1] Bär, F. High-resolution photoelectron spectroscopy on cold metal clusters (Albert-Ludwigs-Universität Freiburg, 2023); https://doi.org/10.6094/UNIFR/237632

Keywords: Photoelecetron Spectroscopy; Cluster Physics; Free Electron Lasers