Search Results - "Ilchen, M."
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Attosecond time–energy structure of X-ray free-electron laser pulses
Published in Nature photonics (05-03-2018)“…The time–energy information of ultrashort X-ray free-electron laser pulses generated by the Linac Coherent Light Source is measured with attosecond resolution…”
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2
Femtosecond all-optical synchronization of an X-ray free-electron laser
Published in Nature communications (20-01-2015)“…Many advanced applications of X-ray free-electron lasers require pulse durations and time resolutions of only a few femtoseconds. To generate these pulses and…”
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3
Symmetry breakdown of electron emission in extreme ultraviolet photoionization of argon
Published in Nature communications (07-11-2018)“…Short wavelength free-electron lasers (FELs), providing pulses of ultrahigh photon intensity, have revolutionized spectroscopy on ionic targets. Their…”
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4
Sensitivity of nonlinear photoionization to resonance substructure in collective excitation
Published in Nature communications (09-04-2015)“…Collective behaviour is a characteristic feature in many-body systems, important for developments in fields such as magnetism, superconductivity, photonics and…”
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5
Single Shot Polarization Characterization of XUV FEL Pulses from Crossed Polarized Undulators
Published in Scientific reports (28-08-2015)“…Polarization control is a key feature of light generated by short-wavelength free-electron lasers. In this work, we report the first experimental…”
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6
Recovery of High-Energy Photoelectron Circular Dichroism through Fano Interference
Published in Physical review letters (26-07-2019)“…It is commonly accepted that the magnitude of a photoelectron circular dichroism (PECD) is governed by the ability of an outgoing photoelectron wave packet to…”
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7
Photon-recoil imaging: Expanding the view of nonlinear x-ray physics
Published in Science (American Association for the Advancement of Science) (25-09-2020)“…Addressing the ultrafast coherent evolution of electronic wave functions has long been a goal of nonlinear x-ray physics. A first step toward this goal is the…”
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8
Clocking Auger electrons
Published in Nature physics (01-04-2021)“…Intense X-ray free-electron lasers (XFELs) can rapidly excite matter, leaving it in inherently unstable states that decay on femtosecond timescales. The…”
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9
Two-color XUV+NIR femtosecond photoionization of neon in the near-threshold region
Published in New journal of physics (28-06-2019)“…Results of angle-resolved electron spectroscopy of near-threshold photoionization of Ne atoms by combined femtosecond extreme ultraviolet and near infrared…”
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10
Circular Dichroism in Multiphoton Ionization of Resonantly Excited He^{+} Ions
Published in Physical review letters (06-01-2017)“…Intense, circularly polarized extreme-ultraviolet and near-infrared (NIR) laser pulses are combined to double ionize atomic helium via the oriented…”
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11
Femtosecond profiling of shaped x-ray pulses
Published in New journal of physics (26-03-2018)“…Arbitrary manipulation of the temporal and spectral properties of x-ray pulses at free-electron lasers would revolutionize many experimental applications. At…”
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12
Mapping Resonance Structures in Transient Core-Ionized Atoms
Published in Physical review. X (18-12-2020)“…The nature of transient electronic states created by photoabsorption critically determines the dynamics of the subsequently evolving system. Here, we…”
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13
Controlling Fragmentation of the Acetylene Cation in the Vacuum Ultraviolet via Transient Molecular Alignment
Published in The journal of physical chemistry letters (12-01-2023)“…An open-loop control scheme of molecular fragmentation based on transient molecular alignment combined with single-photon ionization induced by a…”
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14
Isotope effects in dynamics of water isotopologues induced by core ionization at an x-ray free-electron laser
Published in Structural dynamics (Melville, N.Y.) (01-09-2023)“…Dynamical response of water exposed to x-rays is of utmost importance in a wealth of science areas. We exposed isolated water isotopologues to short x-ray…”
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15
Angular momentum sensitive two-center interference
Published in Physical review letters (17-01-2014)“…In quantum mechanics the Young-type double-slit experiment can be performed with electrons either traveling through a double slit or being coherently emitted…”
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16
Electron angular distributions of noble gases in sequential two-photon double ionization
Published in Journal of modern optics (21-02-2016)“…We present an angle resolved study of photoelectrons emitted from ions of the noble gases neon, argon and krypton by means of time-of-flight spectroscopy. The…”
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17
Angular distribution and circular dichroism in the two-colour XUV+NIR above-threshold ionization of helium
Published in Journal of modern optics (21-02-2016)“…The photoelectron angular distribution and the circular dichroism in two-colour XUV+NIR above-threshold ionization of helium atoms have been investigated both…”
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18
Accurate prediction of X-ray pulse properties from a free-electron laser using machine learning
Published in Nature communications (05-06-2017)“…Free-electron lasers providing ultra-short high-brightness pulses of X-ray radiation have great potential for a wide impact on science, and are a critical…”
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19
Circular Dichroism in Multiphoton Ionization of Resonantly Excited He super(+) Ions
Published in Physical review letters (06-01-2017)“…Intense, circularly polarized extreme-ultraviolet and near-infrared (NIR) laser pulses are combined to double ionize atomic helium via the oriented…”
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20
Determining the polarization state of an extreme ultraviolet free-electron laser beam using atomic circular dichroism
Published in Nature communications (16-04-2014)“…Ultrafast extreme ultraviolet and X-ray free-electron lasers are set to revolutionize many domains such as bio-photonics and materials science, in a manner…”
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