How to optimize high-order harmonic generation in gases

R Weissenbilder, S Carlström, L Rego, C Guo… - Nature Reviews …, 2022 - nature.com
High-order harmonic generation (HHG) in gases leads to short-pulse extreme ultraviolet
(XUV) radiation that is useful in a number of applications, such as attosecond science and …

Intense infrared lasers for strong-field science

Z Chang, L Fang, V Fedorov, C Geiger… - Advances in Optics …, 2022 - opg.optica.org
The advent of chirped-pulse amplification in the 1980s and femtosecond Ti: sapphire lasers
in the 1990s enabled transformative advances in intense laser–matter interaction physics …

[PDF][PDF] Table-top optical parametric chirped pulse amplifiers: past and present

A Dubietis, A Matijošius - Opto-Electron. Adv., 2023 - researching.cn
The generation of power-and wavelength-scalable few optical cycle pulses remains one of
the major challenges in modern laser physics. Over the past decade, the development of …

Optical waveform synthesis and its applications

G Cirmi, RE Mainz, MA Silva‐Toledo… - Laser & Photonics …, 2023 - Wiley Online Library
The quest for ever‐shorter optical pulses has been ongoing for over half a century. Although
few‐cycle pulses have been generated for nearly 40 years, pulse lengths below the single …

[HTML][HTML] High-flux 100 kHz attosecond pulse source driven by a high-average power annular laser beam

P Ye, LG Oldal, T Csizmadia, Z Filus, T Grósz… - Ultrafast …, 2022 - spj.science.org
High-repetition rate attosecond pulse sources are indispensable tools for time-resolved
studies of electron dynamics, such as coincidence spectroscopy and experiments with high …

Extension of the bright high-harmonic photon energy range via nonadiabatic critical phase matching

Z Fu, Y Chen, S Peng, B Zhu, B Li… - Science …, 2022 - science.org
The concept of critical ionization fraction has been essential for high-harmonic generation,
because it dictates the maximum driving laser intensity while preserving the phase matching …

Breakdown of the single-collision condition for soft x-ray high harmonic generation in noble gases

PA Chevreuil, F Brunner, U Thumm, U Keller… - Optica, 2022 - opg.optica.org
High harmonic generation (HHG) in atomic gases is generally assumed to originate from
photoelectrons that are not perturbed by neighboring particles. In this paper, we study …

Resolving vibrations in a polyatomic molecule with femtometer precision via x-ray spectroscopy

P Rupprecht, L Aufleger, S Heinze, A Magunia, T Ding… - Physical Review A, 2023 - APS
We measure molecular vibrations with femtometer precision via resonance energy shifts
using time-resolved x-ray absorption spectroscopy. For a demonstration, a Raman process …

Complete characterization of a Yb-based OPA at a high repetition rate using frequency resolved optical switching

E Haddad, A Longa, P Lassonde, A Leblanc… - Optics …, 2023 - opg.optica.org
We demonstrate experimentally that frequency resolved optical switching (FROSt) can be
used to characterize ultra-broadband pulses at high repetition rates up to 500 kHz …

Laboratory soft X-ray setup for transient absorption experiments in the liquid phase using a laser-produced plasma source

R Gnewkow, H Stiel, A Jonas, S Schönfelder, J Probst… - Optica, 2024 - opg.optica.org
With time-resolved soft X-ray spectroscopy, the element-specific dynamics of the electronic
structure of disordered systems can be investigated. Measurements of species in dilute …