Erlangen 2026 – wissenschaftliches Programm

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P: Fachverband Plasmaphysik

P 18: High Energy Density Physics III

P 18.1: Hauptvortrag

Donnerstag, 19. März 2026, 16:15–16:45, KH 01.020

High-energy-density and high-pressure states investigated with x-ray imaging at HED-HiBEF — •Alejandro Laso Garcia — Helmholtz-Zentrum Dresden - Rossendorf, Dresden, Germany

The High Energy Density - Helmholtz International Beamline for Extreme Fields (HED-HiBEF) at the European XFEL combines the x-ray beam, with unparalleled spatial and temporal coherence and brilliance, with powerful optical drivers to probe and study extreme states of matter.

With the high-intensity short-pulse laser, ReLaX, reaching intensities of 10²⁰ W/cm² on target, is used to isochorically heat matter and generate blastwaves in materials. It can also generate high-pressure states via cylindrical compression in micrometer-sized wires. Thanks to the narrow energy bandwidth of the XFEL beam, the energy can be tuned to be resonant with the transition energy between the K- and L- shell of specific charge states in the plasma.

The DiPOLE-100X, the high-energy nanosecond pulse duration laser is used to generate planar shocks in materials and study equation-of-state of highly compressed matter via shock compression.

All these experiments make use of the x-ray imaging platform developed at HED-HiBEF. In this talk we will provide a description of the platform and the spatial resolution achieved (better than 500 nm) as well as its application to all the cases mentioned above.

Keywords: XFEL; Hard x-ray imaging; High energy density