Nonlinear pulse compression of a 200 mJ and 1 kW ultrafast thin-disk amplifier

Y Pfaff, G Barbiero, M Rampp, S Klingebiel, J Brons… - Optics express, 2023 - opg.optica.org
We present a high-energy laser source consisting of an ultrafast thin-disk amplifier followed
by a nonlinear compression stage. At a repetition rate of 5 kHz, the drive laser provides a …

Nonlinear pulse compression of a thin-disk amplifier and contrast enhancement via nonlinear ellipse rotation

Y Pfaff, C Forster, G Barbiero, M Rampp… - Optics …, 2022 - opg.optica.org
We demonstrate pulse compressibility from 840 fs to 38 fs of 10 mJ pulses from a thin-disk
amplifier at a repetition rate of 3 kHz after nonlinear broadening in a multipass cell. In …

[HTML][HTML] Bright continuously tunable vacuum ultraviolet source for ultrafast spectroscopy

L Jurkovičová, L Ben Ltaief, A Hult Roos, O Hort… - Communications …, 2024 - nature.com
Ultrafast electron dynamics drive phenomena such as photochemical reactions, catalysis,
and light harvesting. To capture such dynamics in real-time, femtosecond to attosecond light …

Long-lasting XUV activation of helium nanodroplets for avalanche ionization

C Medina, AØ Lægdsmand, LB Ltaief… - New Journal of …, 2023 - iopscience.iop.org
We study the dynamics of avalanche ionization of pure helium nanodroplets activated by a
weak extreme-ultraviolet (XUV) pulse and driven by an intense near-infrared (NIR) pulse. In …

Electron correlation dynamics in atomic Kr excited by XUV pulses and controlled by NIR laser pulses of variable intensity

AH Roos, Z Hoque, E Klimešová, LB Ltaief… - New Journal of …, 2023 - iopscience.iop.org
We have investigated the possibility to track and control correlation dynamics of valence
electrons in krypton (Kr) initiated by the absorption of one extreme ultraviolet (XUV) photon …

Update on laser-driven X-ray sources at ELI Beamlines

J Nejdl, U Chaulagain, D Mai, O Hort… - Compact EUV & X-ray …, 2022 - opg.optica.org
Conference title, upper and lower case, bolded, 18 point type, centered Page 1 Update on
Laser-driven X-ray Sources at ELI Beamlines J. Nejdl1,2, U. Chaulagain1, D. Mai1, O. Hort1 …

[HTML][HTML] Numerical modelling and experimental validation of dripping, jetting and whipping modes of gas dynamic virtual nozzle

K Kovačič, J Gregorc, B Šarler - … of Numerical Methods for Heat & …, 2024 - emerald.com
Purpose This study aims to develop an experimentally validated three-dimensional
numerical model for predicting different flow patterns produced with a gas dynamic virtual …

Compact undulator-based soft x-ray radiation source at ELI Beamlines: user-oriented program

EA Vishnyakov, D Du Mai, JT Green… - … Sources from EUV …, 2023 - spiedigitallibrary.org
A compact undulator-based soft X-ray radiation source furnishing the laser wakefield
electron acceleration concept is currently being developed at ELI-Beamlines in the Czech …

Spectral splitting in phase mismatched harmonics

RH Levi, O Ildis, A Levanon, A Fleischer, A Bahabad… - Optics …, 2024 - opg.optica.org
Spectral splitting of high harmonic radiation is observed when a gas target is irradiated with
a high-energy laser pulse, having an extreme amount of frequency chirp. The phenomenon …

[HTML][HTML] Intense laser matter interaction in atoms, finite systems and condensed media: recent experiments and theoretical advances

S Krishnan, M Mudrich - The European Physical Journal Special Topics, 2021 - Springer
This special issue of the European Journal of Physics: Special Topics entitled “Intense Laser
Matter Interaction in Atoms, Finite Systems and Condensed Media” published a set of 21 …