Mainz 2026 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 26: Poster – Ultrashort Pulses and Strong Fields (joint session K/Q)

Q 26.13: Poster

Tuesday, March 3, 2026, 17:00–19:00, Philo 1. OG

A Lab-based High Brilliance Secondary Source for Hard X-ray Generation — •Lion Günster, Luka Petersen, Jose Mapa, Greta Paruschke, Philip Mosel, Sven Fröhlich, Andrea Trabattoni, Uwe Morgner, and Milutin Kovacev — Leibniz Universität Hannover - Institut für Quantenoptik, Hannoverm Deutschland

The development of high-brilliance X-ray sources is one of the key factors driving rapid progress in industrial and medical applications. Due to the limitations of conventional X-ray sources, this growing demand has stimulated research into laser-based secondary sources. Combined with very high-power-laser, very promising results have already been reported. Within the framework of the XProLas project we construct and test such a laser-produced plasma X-ray source for their usability in industrial applications.
Femtosecond pulses with a pulse energy of 10 mJ are focused on a copper wire target reaching laser intensities of 2*10¹⁸ W/cm². To enable continuous operation of the source multiple debris mitigation schemes have been implemented. With a repetition rate of 50 kHz we aim to achieve brilliance levels of over 5*10¹³ photons/s sr in Cu K_α, surpassing state-of-the-art conventional X-ray sources by one order of magnitude.

Keywords: secondary source; laser produced plasma; hard x-ray; high brilliance; industrial applications