Single-shot spectro-temporal characterization of XUV pulses from a seeded free-electron laser

Giovanni De Ninno (), David Gauthier, Benoît Mahieu, Primož Rebernik Ribič, Enrico Allaria, Paolo Cinquegrana, Miltcho Bojanov Danailov, Alexander Demidovich, Eugenio Ferrari, Luca Giannessi, Giuseppe Penco, Paolo Sigalotti and Matija Stupar
Additional contact information
Giovanni De Ninno: Sincrotrone Trieste
David Gauthier: Sincrotrone Trieste
Benoît Mahieu: Laboratoire dOptique AppliquÂee, UMR 7639
Primož Rebernik Ribič: Sincrotrone Trieste
Enrico Allaria: Sincrotrone Trieste
Paolo Cinquegrana: Sincrotrone Trieste
Miltcho Bojanov Danailov: Sincrotrone Trieste
Alexander Demidovich: Sincrotrone Trieste
Eugenio Ferrari: Sincrotrone Trieste
Luca Giannessi: Sincrotrone Trieste
Giuseppe Penco: Sincrotrone Trieste
Paolo Sigalotti: Sincrotrone Trieste
Matija Stupar: Laboratory of Quantum Optics, University of Nova Gorica

Nature Communications, 2015, vol. 6, issue 1, 1-5

Abstract: Abstract Intense ultrashort X-ray pulses produced by modern free-electron lasers (FELs) allow one to probe biological systems, inorganic materials and molecular reaction dynamics with nanoscale spatial and femtoscale temporal resolution. These experiments require the knowledge, and possibly the control, of the spectro-temporal content of individual pulses. FELs relying on seeding have the potential to produce spatially and temporally fully coherent pulses. Here we propose and implement an interferometric method, which allows us to carry out the first complete single-shot spectro-temporal characterization of the pulses, generated by an FEL in the extreme ultraviolet spectral range. Moreover, we provide the first direct evidence of the temporal coherence of a seeded FEL working in the extreme ultraviolet spectral range and show the way to control the light generation process to produce Fourier-limited pulses. Experiments are carried out at the FERMI FEL in Trieste.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms9075

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DOI: 10.1038/ncomms9075

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