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Design and construction of an experimental setup for multidimensional spectroscopy in the XUV/ soft-X-ray spectral region

MPG-Autoren
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Rebholz,  Marc
Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society;

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Zitation

Rebholz, M. (2015). Design and construction of an experimental setup for multidimensional spectroscopy in the XUV/ soft-X-ray spectral region. Master Thesis, Ruprecht-Karls-Universität, Heidelberg.


Zitierlink: https://hdl.handle.net/11858/00-001M-0000-0029-6C40-F
Zusammenfassung
In this work a new transient absorption spectroscopy setup for the extreme ultraviolet (XUV) and soft-X-ray spectral region is introduced. It is based on a four-quadrant split-mirror design which allows to perform four-wave mixing experiments in the mentioned spectral regions. The experimental setup is designed to be operable at high-order harmonic sources as well as free-electron laser (FEL) facilities. The promotion of four-wave mixing spectroscopy to spectral regions with photon energies of several tens of electron volts allows to investigate many new phenomena. Two key examples are the charge-migration dynamics in molecules and the coupling between inner-shell excitations of different types. In this work, first experiments were conducted that serve as a proof of concept for the new experimental design.