Search Results - "Frassetto, Fabio"
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Unravelling the intertwined atomic and bulk nature of localised excitons by attosecond spectroscopy
Published in Nature communications (15-02-2021)“…The electro-optical properties of most semiconductors and insulators of technological interest are dominated by the presence of electron-hole quasi-particles,…”
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2
Static, refractive and monolithic Fourier transform spectrometer: development and prototyping
Published in Scientific reports (12-01-2024)“…Static Fourier transform spectrometers are devices that can be realized as monolithic and compact assemblies. In the “grating-based” monolithic version, they…”
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3
Coherent diffractive imaging of single helium nanodroplets with a high harmonic generation source
Published in Nature communications (08-09-2017)“…Coherent diffractive imaging of individual free nanoparticles has opened routes for the in situ analysis of their transient structural, optical, and electronic…”
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4
Sub-20-fs UV-XUV beamline for ultrafast molecular spectroscopy
Published in Scientific reports (29-10-2024)“…We present an ultraviolet (UV) - extreme-ultraviolet (XUV) pump-probe beamline with applications in ultrafast time-resolved photoelectron spectroscopy. The UV…”
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5
Controlling Floquet states on ultrashort time scales
Published in Nature communications (19-11-2022)“…The advent of ultrafast laser science offers the unique opportunity to combine Floquet engineering with extreme time resolution, further pushing the optical…”
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Real-time observation of a correlation-driven sub 3 fs charge migration in ionised adenine
Published in Communications chemistry (20-05-2021)“…Sudden ionisation of a relatively large molecule can initiate a correlation-driven process dubbed charge migration, where the electron density distribution is…”
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Impurity band assisted carrier relaxation in Cr doped topological insulator Bi2Se3
Published in Applied physics letters (22-02-2021)“…Topological insulators (TIs) with unique band structures have wide application prospects in the fields of ultrafast optical and spintronic devices. The…”
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Chirped pulse amplification in an extreme-ultraviolet free-electron laser
Published in Nature communications (01-12-2016)“…Chirped pulse amplification in optical lasers is a revolutionary technique, which allows the generation of extremely powerful femtosecond pulses in the…”
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Ultra-Fast-VUV Photoemission Study of UV Excited 2‑Nitrophenol
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (21-02-2019)“…The initial deactivation pathways of gaseous 2-nitrophenol excited at 268 nm were investigated by time-resolved photoelectron spectroscopy (TRPES) with…”
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Temporal Response of Ultrafast Grating Monochromators
Published in Applied sciences (01-01-2018)“…The temporal response of double-grating monochromators is analyzed considering two effects on the ultrafast pulse given by the configuration. The first effect…”
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A High Resolution XUV Grating Monochromator for the Spectral Selection of Ultrashort Harmonic Pulses
Published in Applied sciences (01-06-2019)“…A new monochromator with high spectral resolution in the extreme ultraviolet (XUV) has been developed for high-order laser harmonics selection. The system has…”
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A multipurpose end-station for atomic, molecular and optical sciences and coherent diffractive imaging at ELI beamlines
Published in The European physical journal. ST, Special topics (01-12-2021)“…We report on the status of a users’ end-station, MAC: a Multipurpose station for Atomic, molecular and optical sciences and Coherent diffractive imaging,…”
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13
Dynamics of N2 Dissociation upon Inner-Valence Ionization by Wavelength-Selected XUV Pulses
Published in The journal of physical chemistry letters (05-02-2015)“…Ionization of nitrogen by extreme ultraviolet (XUV) light from the Sun has recently been recognized as an important driver of chemical reactions in the…”
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14
Coherent narrowband light source for ultrafast photoelectron spectroscopy in the 17–31 eV photon energy range
Published in Structural dynamics (Melville, N.Y.) (01-01-2020)“…Here, we report on a novel narrowband High Harmonic Generation (HHG) light source designed for ultrafast photoelectron spectroscopy (PES) on solids. Notably,…”
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Sub-20-fs UV–XUV Beamline for Ultrafast Molecular Pump-Probe Spectroscopy
Published in EPJ Web of conferences (2024)“…The experimental investigation of chemically and biologically relevant dynamics induced by visible or ultraviolet (UV) light requires high temporal resolution…”
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16
Optical concept of a compressor for XUV pulses in the attosecond domain
Published in Optics express (28-04-2008)“…We discuss the phase properties of a double-grating compressor with grazing-incidence gratings in the off-plane mount, designed for the temporal compression of…”
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17
Design Study of Time-Preserving Grating Monochromators for Ultrashort Pulses in the Extreme-Ultraviolet and Soft X-Rays
Published in Photonics (01-03-2017)“…The design of grating-based instruments to handle and condition coherent ultrafast pulses in the extreme-ultraviolet is discussed. The main application of such…”
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Spectrally tunable ultrashort monochromatized extreme ultraviolet pulses at 100 kHz
Published in APL photonics (01-05-2023)“…We present the experimental realization of spectrally tunable, ultrashort, quasi-monochromatic extreme ultraviolet (XUV) pulses generated at 100 kHz repetition…”
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Publisher Correction: Coherent diffractive imaging of single helium nanodroplets with a high harmonic generation source
Published in Nature communications (16-01-2018)“…In the original version of this Article, the affiliation for Luca Poletto was incorrectly given as ‘European XFEL GmbH, Holzkoppel 4, 22869 Schenefeld,…”
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Spin-ARPES EUV Beamline for Ultrafast Materials Research and Development
Published in Applied sciences (22-01-2019)“…A new femtosecond, Extreme Ultraviolet (EUV), Time Resolved Spin-Angle Resolved Photo-Emission Spectroscopy (TR-Spin-ARPES) beamline was developed for…”
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