Vénus Poulain

Doctoral project

Time-resolved studies of atoms, molecules and solids using intense ultrashort laser pulses in the extreme ultraviolet and X-ray spectral region as well as ultrashort, laser-generated, electron pulses.

The project includes development, optimization and characterization of a laser-driven source for the generation of attosecond pulses, development and implementation of pump-probe measurement techniques and experiments at the high-order harmonic laboratory of the Lund High-Power Laser Facility and at international free electron laser facilities.

These experiments involve lasers with ultrafast pulse duration shined on a target like a gases or molecules to allow ionization and excitation of electronic states. 

The laser facility in Lund will be modified in order to achieve XUV-XUV pump-probe spectroscopy to probe charge migration within atoms or molecules and also charge transfer between molecules. 

One goal is to also do the same photoelectron spectroscopy measurements in molecules that are solvated to understand the role of the solvent, how it affects charge migration and charge transfer.