Versatile tabletop setup for picosecond time-resolved resonant soft-x-ray scattering and spectroscopy

Medientyp: E-Artikel

Titel: Versatile tabletop setup for picosecond time-resolved resonant soft-x-ray scattering and spectroscopy

Beteiligte: Borchert, Martin; Braenzel, Julia; Gnewkow, Richard; Lunin, Leonid; Sidiropoulos, Themistoklis; Tümmler, Johannes; Will, Ingo; Noll, Tino; Reichel, Oliver; Rohloff, Dirk; Erko, Alexei; Krist, Thomas; von Korff Schmising, Clemens; Pfau, Bastian; Eisebitt, Stefan; Stiel, Holger; Schick, Daniel

Erschienen: AIP Publishing, 2023

Sprache: Englisch

DOI: 10.1063/5.0151613

ISSN: 0034-6748; 1089-7623

Schlagwörter: Instrumentation

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Beschreibung: We present a laser-driven, bright, and broadband (50 to 1500 eV) soft-x-ray plasma source with &lt;10 ps pulse duration. This source is employed in two complementary, laboratory-scale beamlines for time-resolved, magnetic resonant scattering and spectroscopy, as well as near-edge x-ray absorption fine-structure (NEXAFS) spectroscopy. In both beamlines, dedicated reflection zone plates (RZPs) are used as single optical elements to capture, disperse, and focus the soft x rays, reaching resolving powers up to E/ΔE &gt; 1000, with hybrid RZPs at the NEXAFS beamline retaining a consistent E/ΔE &gt; 500 throughout the full spectral range, allowing for time-efficient data acquisition. We demonstrate the versatility and performance of our setup by a selection of soft-x-ray spectroscopy and scattering experiments, which so far have not been possible on a laboratory scale. Excellent data quality, combined with experimental flexibility, renders our approach a true alternative to large-scale facilities, such as synchrotron-radiation sources and free-electron lasers.

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