ArticleNature communications2023
An X-ray free-electron laser with a highly configurable undulator and integrated chicanes for tailored pulse properties.
Article in Nature communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Time-resolved core-level photoelectron spectroscopy of glycine fragmentation: a case study on the capabilities and limitations of site-selective probes at XFELs.Faraday discussions · 2026Article
- Article
- Enhancing hard X-ray beamline performance at SwissFEL through spontaneous radiation measurements.Journal of synchrotron radiation · 2026Article
- First experiments with ultrashort, circularly polarized soft x-ray pulses at FLASH2.Structural dynamics (Melville, N.Y.) · 2025Article
- Free-electron resonance transition radiation via Brewster randomness.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Demonstration of full polarization control of soft X-ray pulses with Apple X undulators at SwissFEL using recoil ion momentum spectroscopy.Journal of synchrotron radiation · 2024Article
- Enhanced X-ray free-electron laser performance with optical klystron and helical undulators.Journal of synchrotron radiation · 2024Article
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Authors and funding
34 authors.
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Abstract
X-ray free-electron lasers (FELs) are state-of-the-art scientific tools capable to study matter on the scale of atomic processes. Since the initial operation of X-ray FELs more than a decade ago, several facilities with upgraded performance have been put in operation. Here we present the first lasing results of Athos, the soft X-ray FEL beamline of SwissFEL at the Paul Scherrer Institute in Switzerland. Athos features an undulator layout based on short APPLE-X modules providing full polarisation control, interleaved with small magnetic chicanes. This versatile configuration allows for many operational modes, giving control over many FEL properties. We show, for example, a 35% reduction of the required undulator length to achieve FEL saturation with respect to standard undulator configurations. We also demonstrate the generation of more powerful pulses than the ones obtained in typical undulators. Athos represents a fundamental step forward in the design of FEL facilities, creating opportunities in FEL-based sciences.
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