427 citations · 1.7k across the 43 of their papers we have counts for
44 papers
X-ray Driven Trihydrogen Formation on Silica Nanosurfaces
Samuel Sahel-Schackis, Adam Summers, Ritika Dagar +29
The trihydrogen cation () initiates the ion-molecule reactions that build molecular complexity in interstellar space. Whether its canonical formation reaction, $\ma…
A finite-difference model for intense light interactions with dielectrics in the ultrafast ionization regime
Julia Apportin, Christian Peltz, Pavel Polynkin +3
We present a computationally efficient model that describes the interaction of intense, ultrashort infrared laser pulses with transparent materials in the strong ionization regime.…
Cross-process interference in single-cycle electron emission from metal needle tips
Anne Herzig, Peter Hommelhoff, Eleftherios Goulielmakis +2
Though interference from different emission channels enabled a deeper understanding of strong-field photoemission in atoms and molecules, it remained out of reach for solids. Here,…
Dichography: Two-frame Ultrafast Imaging from a Single Diffraction Pattern
Linos Hecht, Andre Al Haddad, Björn Bastian +47
We experimentally demonstrate that pairs of time-delayed ultrabright and ultrashort X-ray pulses of two different colors, delivered by modern X-ray Free Electron Lasers, can provid…
Model-free pattern separation of two-color ultrafast X-ray diffraction
Linos Hecht, Yevheniy Ovcharenko, Asbjørn Ø. Lægdsmand +28
Two-color X-ray imaging with Free Electron Laser pulses offers a powerful approach for probing ultrafast structural dynamics in nanoscale systems, combining (near-)atomic spatial r…
Laser-induced transient opacity in helium nanodroplets probed by single-shot coherent diffraction
Julian C. Schäfer-Zimmermann, Tom von Scheven, Katharina Kolatzki +13
Single-shot coherent diffractive imaging (CDI) with intense short-wavelength light pulses enables the structural characterization of individual nanoparticles in free flight with hi…
Fast Simulation of Wide-Angle Coherent Diffractive Imaging
Paul Tuemmler, Julia Apportin, Thomas Fennel +1
Single-shot coherent diffractive imaging (CDI) using intense XUV and soft X-ray pulses holds the promise to deliver information on the three dimensional shape as well as the optica…
Attosecond physics in optical near fields
Jonas Heimerl, Stefan Meier, Anne Herzig +8
Attosecond science, the electron control by the field of ultrashort laser pulses, is maturing into lightfield-driven electronics, called petahertz electronics. Based on optical fie…
SPRING: an effective and reliable framework for image reconstruction in single-particle Coherent Diffraction Imaging
Alessandro Colombo, Mario Sauppe, Andre Al Haddad +40
Coherent Diffraction Imaging (CDI) is an experimental technique to gain images of isolated structures by recording the light scattered off the sample. In principle, the sample dens…
Coherent control of orbital wavefunctions in the quantum spin liquid
R. Mankowsky, M. Müller, M. Sander +15
Resonant driving of electronic transitions with coherent laser sources creates quantum coherent superpositions of the involved electronic states. Most time-resolved studies have fo…
Melting, bubble-like expansion and explosion of superheated plasmonic nanoparticles
Simon Dold, Thomas Reichenbach, Alessandro Colombo +32
We report on time-resolved coherent diffraction imaging of gas-phase silver nanoparticles, strongly heated via their plasmon resonance. The x-ray diffraction images reveal a broad…
Tracing attosecond electron emission from a nanometric metal tip
Philip Dienstbier, Lennart Seiffert, Timo Paschen +4
Solids exposed to intense electric fields release electrons through tunnelling. This fundamental quantum process lies at the heart of various applications, ranging from high bright…
Electron energy loss and angular asymmetry induced by elastic scattering in helium droplets
Jakob D. Asmussen, Keshav Sishodia, Björn Bastian +10
Helium nanodroplets are ideal model systems to unravel the complex interaction of condensed matter with ionizing radiation. Here we study the effect of purely elastic electron scat…
Efficient Indirect Interatomic Coulombic Decay Induced by Photoelectron Impact Excitation in Large He Nanodroplets
L. Ben Ltaief, K. Sishodia, S. Mandal +7
Ionization of matter by energetic radiation generally causes complex secondary reactions which are hard to decipher. Using large helium nanodroplets irradiated by XUV photons, we s…
Generation of Large Vortex-Free Superfluid Helium Nanodroplets
Anatoli Ulmer, Andrea Heilrath, Björn Senfftleben +38
Superfluid helium nanodroplets are an ideal environment for the formation of metastable, self-organized dopant nanostructures. However, the presence of vortices often hinders their…
Three-Dimensional Coherent Diffractive Imaging of Isolated Faceted Nanostructures
Alessandro Colombo, Simon Dold, Patrice Kolb +29
The structure and dynamics of isolated nanosamples in free flight can be directly visualized via single-shot coherent diffractive imaging using the intense and short pulses of X-ra…
Attosecond Field Emission
H. Y. Kim, M. Garg, S. Mandal +3
Field-emission of electrons underlies major advances in science and technology, ranging from imaging the atomic-scale structure of matter to signal processing at ever-higher freque…
Diffraction imaging of light induced dynamics in xenon-doped helium nanodroplets
Bruno Langbehn, Yevheniy Ovcharenko, Andrew Clark +23
We have explored the light induced dynamics in superfluid helium nanodroplets with wide-angle scattering in a pump-probe measurement scheme. The droplets are doped with xenon atoms…
The Scatman: an approximate method for fast wide-angle scattering simulations
Alessandro Colombo, Julian Zimmermann, Bruno Langbehn +8
Single-shot Coherent Diffraction Imaging (CDI) is a powerful approach to characterize the structure and dynamics of isolated nanoscale objects such as single viruses, aerosols, nan…
Strong-field physics with nanospheres
Lennart Seiffert, Sergey Zherebtsov, Matthias F. Kling +1
When intense laser fields interact with nanoscale targets, strong-field physics meets plasmonic near-field enhancement and sub-wavelength localization of light. Photoemission spect…
Few-femtosecond resolved imaging of laser-driven nanoplasma expansion
C. Peltz, J. A. Powell, P. Rupp +23
The free expansion of a planar plasma surface is a fundamental non-equilibrium process relevant for various fields but as-yet experimentally still difficult to capture. The signifi…
Characterization of laser-induced ionization dynamics in solid dielectrics
Peter Jürgens, Benjamin Liewehr, Björn Kruse +8
The formation of an electron-hole plasma during the interaction of intense femtosecond laser pulses with transparent solids lies at the heart of femtosecond laser processing. Advan…
Onset of space-charge effects in strong-field photocurrents from nanometric needle tips
J. Schötz, L. Seiffert, A. Maliakkal +8
Strong-field photoemission from nanostructures and the associated temporally modulated currents play a key role in the development of ultrafast vacuum optoelectronics. Optical ligh…
Quantum coherent diffractive imaging
Björn Kruse, Benjamin Liewehr, Christian Peltz +1
Coherent diffractive imaging has enabled the structural analysis of individual free nanoparticles in a single shot and offers the tracking of their light induced dynamics with unpr…