Mainz 2022 – wissenschaftliches Programm

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P: Fachverband Plasmaphysik

P 20: Invited talks V

P 20.3: Hauptvortrag

Freitag, 1. April 2022, 12:00–12:30, P-H11

Combined Phase Contrast Imaging and Small-Angle X-Ray Scattering Diagnostic of Relativistic Plasmas at the High Energy Density Instrument at European XFEL — •Alejandro Laso Garcia¹, Toma Toncian¹, Hauke Hoeppner¹, Alexander Pelka¹, Carsten Baehtz¹, Erik Brambrink², Jan-Patrick Schwinkendorf², Motoaki Nakatsutsumi², Johannes Hagemann³, and Thomas Preston² — ¹Helmholtz-Zentrum Dresden - Rossendorf, Dresden, Germany — ²European XFEL GmbH, Schenefeld, Germany — ³Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany

The bright ultra-short X-ray pulses of the EuXFEL provide an invaluable tool to spatially and temporally investigate the laser-plasma interactions at solid density. At the HED instrument, the high-power laser ReLaX currently delivers pulses of 3 J of energy with 25 fs duration on target, reaching intensities up to 10²⁰ W/cm².

In April and May 2021, Small Angle X-Ray Scattering and Phase Contrast Imaging were simultaneously demonstrated in pump-probe experiments at HED in a community experiment involving 15 institutions from all over the world. In this talk we will present the preliminary results of this community experiment probing ultrafast phenomena in a wide array of target configurations: hole boring in wires, shockwave generation in CH blocks, buried heating of a wire inside a CH medium, foam ionization and collective effects in heated foils.