Attosecond imaging of molecules using high harmonic spectroscopy

P Peng, C Marceau, DM Villeneuve - Nature Reviews Physics, 2019 - nature.com
The availability of attosecond-duration extreme ultraviolet or soft X-ray light sources has
opened up new fields of research in atomic and molecular physics. These pulses can be as …

High-repetition-rate attosecond extreme ultraviolet beamlines at eli alps for studying ultrafast phenomena

M Shirozhan, S Mondal, T Grósz, B Nagyillés… - Ultrafast …, 2024 - spj.science.org
Advancements in light engineering have led to the creation of pulsed laser sources capable
of delivering high-repetition-rate, high-power few-cycle laser pulses across a wide spectral …

Scheme for generation of spatiotemporal optical vortex attosecond pulse trains

J Dong, L Xu, Y Fang, H Ni, F He, S Zhuang… - Photonics …, 2024 - opg.optica.org
The realization of spatiotemporal vortex structure of various physical fields with transverse
orbital angular momentum (OAM) has attracted much attention and is expected to expand …

Qprop with faster calculation of photoelectron spectra

V Tulsky, D Bauer - Computer Physics Communications, 2020 - Elsevier
The calculation of accurate photoelectron spectra (PES) for strong-field laser-atom
experiments is a demanding computational task, even in single-active-electron …

Perspectives of attosecond spectroscopy for the understanding of fundamental electron correlations

PM Kraus, HJ Wörner - Angewandte Chemie International …, 2018 - Wiley Online Library
The description of the electronic structure of molecules in terms of molecular orbitals is a
highly successful concept in chemistry. However, it commonly fails if the electrons in a …

Attosecond real-time observation of recolliding electron trajectories in helium at low laser intensities

T Heldt, J Dubois, P Birk, GD Borisova, GM Lando… - Physical Review Letters, 2023 - APS
Laser-driven recollision physics is typically accessible only at field intensities high enough
for tunnel ionization. Using an extreme ultraviolet pulse for ionization and a near-infrared …

Thin-disk laser-pumped OPCPA system delivering 4.4 TW few-cycle pulses

M Kretschmar, J Tuemmler, B Schütte, A Hoffmann… - Optics …, 2020 - opg.optica.org
We present an optical parametric chirped pulse amplification (OPCPA) system delivering 4.4
TW pulses centered at 810 nm with a sub-9 fs duration and a carrier-envelope phase …

Tracking Charge Migration with Frequency-Matched Strobo-Spectroscopy

KA Hamer, AS Folorunso, K Lopata… - The Journal of …, 2024 - ACS Publications
We present frequency-matched strobo-spectroscopy (FMSS) of charge migration (CM) in
bromobutadiyne, simulated with time-dependent density functional theory. CM+ FMSS is a …

Attosecond-pulse metrology based on high-order harmonic generation

TS Sarantseva, MV Frolov, NL Manakov, AA Silaev… - Physical Review A, 2020 - APS
An all-optical method to retrieve the temporal intensity profile of an extreme ultraviolet (XUV)
attosecond pulse is proposed based on XUV-assisted high-order harmonic generation …

Second-harmonic generation of a short XUV pulse interacting with an IR-laser-dressed atom

AA Romanov, AA Silaev, NV Vvedenskii, IV Breev… - Physical Review A, 2022 - APS
The nonlinear response of an atomic system interacting with short extreme ultraviolet (XUV)
and infrared (IR) pulses is considered within the adiabatic approach (for an IR field) and the …