107 citations · 549 across the 22 of their papers we have counts for
22 papers
Engineering High-Order Harmonic Generation through Gas Confinement at Sub-Millimeter Lengths
Agata Azzolin, Gaia Giovannetti, Oliviero Cannelli +23
Attosecond light sources based on high-order harmonic generation (HHG) constitute to date the only table-top solution for producing coherent broadband radiation covering the spectr…
Shake-down spectroscopy as state- and site-specific probe of ultrafast chemical dynamics
Henry J. Thompson, Matteo Bonanomi, Jacob Pedersen +27
Tracking the multifarious ultrafast electronic and structural changes occurring in a molecule during a photochemical transformation is a challenging endeavor that benefits from rec…
Unraveling the relaxation dynamics of Uracil: insights from time-resolved X-ray photoelectron spectroscopy
Davide Faccialà, Matteo Bonanomi, Bruno Nunes Cabral Tenorio +26
We report a study of the electronic and nuclear relaxation dynamics of the photoexcited RNA base uracil in the gas phase, using time-resolved core level photoelectron spectroscopy…
Synthesizing extreme-ultraviolet vector beams in a chip
Riccardo Piccoli, Marco Bardellini, Stavroula Vovla +11
Structured light has gained significant attention in recent years, especially in the generation and application of vector beams. These beams, characterized by a spatially varying p…
Efficient Coherent XUV Generation and Manipulation in Microfluidic Glass Devices
Anna Gabriella Ciriolo, Rebeca Martínez Vázquez, Gabriele Crippa +12
The development of compact and bright XUV and soft X-ray sources based on high-order harmonic generation is boosting advances towards understanding the behavior of matter with extr…
Time-resolved chiral X-Ray photoelectron spectroscopy with transiently enhanced atomic site-selectivity: a Free Electron Laser investigation of electronically excited fenchone enantiomers
D. Faccialà, M. Devetta, S. Beauvarlet +28
Chiral molecules are widespread in nature, playing a fundamental role in bio-chemical processes and in the origin of life itself. The observation of dynamics in chiral molecules is…
Ultrafast relaxation of photoexcited superfluid He nanodroplets
M. Mudrich, A. LaForge, F. Stienkemeier +21
The relaxation of photoexcited nanosystems is a fundamental process of light-matter interaction. Depending on the couplings of the internal degrees of freedom, relaxation can be ul…
Two-photon resonant excitation of interatomic coulombic decay in neon dimers
A Dubrouil, M Reduzzi, M Devetta +21
The recent availability of intense and ultrashort extreme ultraviolet sources opens the possibility to investigate ultrafast electronic relaxation processes in matter in an unprece…
Time-resolved observation of interatomic Coulombic decay induced by two-photon double excitation of Ne
T. Takanashi, N. V. Golubev, C. Callegari +46
The hitherto unexplored two-photon doubly-excited states [Ne()] were experimentally identified using the seeded, fully coherent, intense extreme ultraviolet…
Impulsive laser-induced alignment of OCS molecules at FERMI
Michele Di Fraia, Paola Finetti, Robert Richter +13
We demonstrate the experimental realization of impulsive alignment of carbonyl sulfide (OCS) molecules at the Low Density Matter Beamline (LDM) at the free-electron laser FERMI. OC…
Attosecond Streaking in the Water Window: A New Regime of Attosecond Pulse Characterization
Seth L. Cousin, Nicola Di Palo, Bárbara Buades +6
We report on the first streaking measurement of water-window attosecond pulses generated via high harmonic generation, driven by sub-2-cycle, CEP-stable, 1850 nm laser pulses. Both…
Laser induced strong-field ionization gas jet tomography
Oshrat Tchulov, Matteo Negro, Salvatore Stagira +3
We introduce a novel in-situ strong field ionization tomography approach for characterizing the spatial density distribution of gas jets. We show that for typical intensities in hi…
Interatomic Coulombic decay in helium nanodroplets
M. Shcherbinin, A. C. LaForge, V. Sharma +5
Interatomic Coulombic decay (ICD) is induced in helium (He) nanodroplets by photoexciting the n=2 excited state of He^+ using XUV synchrotron radiation. By recording multiple coinc…
Probe of Multi-electron Dynamics in Xenon by Caustics in High Order Harmonic Generation
Davide Faccialà, Stefan Pabst, Barry D. Bruner +8
We investigated the giant resonance in Xenon by high-order harmonic generation spectroscopy driven by a two-color field. The addition of a non-perturbative second harmonic componen…
High-order harmonic spectroscopy for molecular imaging of polyatomic molecules
M. Negro, M. Devetta, D. Faccialà +3
High-order harmonic generation is a powerful and sensitive tool for probing atomic and molecular structures, combining in the same measurement an unprecedented attosecond temporal…
Studying the universality of field induced tunnel ionization times via high-order harmonic spectroscopy
Hadas Soifer, Barry D. Bruner, Matteo Negro +6
High-harmonics generation spectroscopy is a promising tool for resolving electron dynamics and structure in atomic and molecular systems. This scheme, commonly described by the str…
exploding clusters dynamics probed by XUV fluorescence
M. Negro, H. Ruf, B. Fabre +6
Clusters excited by intense laser pulses are a unique source of warm dense matter, that has been the subject of intensive experimental studies. The majority of those investigations…
Collective Autoionization in Multiply-Excited Systems: A novel ionization process observed in Helium Nanodroplets
A. C. LaForge, M. Drabbels, N. Brauer +19
Free electron lasers (FELs) offer the unprecedented capability to study reaction dynamics and image the structure of complex systems. When multiple photons are absorbed in complex…
EUV ionization of pure He nanodroplets: Mass-correlated photoelectron imaging, Penning ionization and electron energy-loss spectra
D. Buchta, S. R. Krishnan, N. B. Brauer +11
The ionization dynamics of pure He nanodroplets irradiated by EUV radiation is studied using Velocity-Map Imaging PhotoElectron-PhotoIon COincidence (VMI-PEPICO) spectroscopy. We p…
Penning ionization of doped helium nanodroplets following EUV excitation
D. Buchta, S. R. Krishnan, N. B. Brauer +11
Helium nanodroplets are widely used as a cold, weakly interacting matrix for spectroscopy of embedded species. In this work we excite or ionize doped He droplets using synchrotron…
Fully-tunable femtosecond laser source in the ultraviolet spectral range
B. Mahieu, S. Coraggia, C. Callegari +10
We demonstrate experimentally the full tunability of a coherent femtosecond source in the whole ultraviolet spectral region. The experiment relies on the technique of high-order ha…
Effects of axial torsion on sp carbon atomic nanowires
Luca Ravagnan, Nicola Manini, Eugenio Cinquanta +7
Ab-initio calculations within Density Functional Theory combined with experimental Raman spectra on cluster-beam deposited pure carbon films provide a consistent picture of sp-carb…