Ultrafast laser matter interactions: modeling approaches, challenges, and prospects

G Miloshevsky - Modelling and Simulation in Materials Science …, 2022 - iopscience.iop.org
The irradiation of the target surface by an ultrafast femtosecond (fs) laser pulse produces the
extreme non-equilibrium states of matter and subsequent phase transformations …

Efficient Magnetic Vortex Acceleration by femtosecond laser interaction with long living optically shaped gas targets in the near critical density plasma regime

I Tazes, S Passalidis, E Kaselouris, D Mancelli… - Scientific Reports, 2024 - nature.com
We introduce a novel, gaseous target optical shaping laser set-up, capable to generate short
scale length, near-critical target profiles via generated colliding blast waves. These profiles …

Efficient plasma electron accelerator driven by linearly chirped multi-10-TW laser pulses

A Grigoriadis, G Andrianaki, I Tazes, V Dimitriou… - Scientific Reports, 2023 - nature.com
The temporal rearrangement of the spectral components of an ultrafast and intense laser
pulse, ie, the chirp of the pulse, offers significant possibilities for controlling its interaction …

High-intensity laser-driven secondary radiation sources using the ZEUS 45 TW laser system at the Institute of Plasma Physics and Lasers of the Hellenic …

EL Clark, A Grigoriadis, S Petrakis, I Tazes… - High Power Laser …, 2021 - cambridge.org
The rapid development of high-intensity laser-generated particle and photon secondary
sources has attracted widespread interest during the last 20 years not only due to …

A particle-in-cell code comparison for ion acceleration: EPOCH, LSP, and WarpX

JR Smith, C Orban, N Rahman, B McHugh… - Physics of …, 2021 - pubs.aip.org
There are now more Particle-in-Cell (PIC) codes than ever before that researchers use to
simulate intense laser–plasma interactions. To date, there have been relatively few direct …

Betatron-type laser-plasma x-ray sources generated in multi-electron gas targets

A Grigoriadis, G Andrianaki, M Tatarakis… - Applied Physics …, 2021 - pubs.aip.org
Betatron-type laser-plasma x-rays are recorded simultaneously with their corresponding
relativistic electron spectra in a laser wakefield acceleration scheme. The role of the multi …

Improving a high-power laser-based relativistic electron source: The role of laser pulse contrast and gas jet density profile

A Grigoriadis, G Andrianaki, I Fitilis… - Plasma Physics and …, 2022 - iopscience.iop.org
A relativistic electron source based on high power laser interaction with gas jet targets has
been developed at the Institute of Plasma Physics and Lasers of the Hellenic Mediterranean …

Non-linear QED approach for betatron radiation in a laser wakefield accelerator

JF Ong, AC Berceanu, A Grigoriadis, G Andrianaki… - Scientific Reports, 2024 - nature.com
Laser plasma-based accelerators provide an excellent source of collimated, bright, and
adequately coherent betatron-type x-ray pulses with potential applications in science and …

Design, manufacturing, evaluation, and performance of a 3D-printed, custom-made nozzle for laser wakefield acceleration experiments

G Andrianaki, A Grigoriadis, A Skoulakis… - Review of Scientific …, 2023 - pubs.aip.org
Laser WakeField Acceleration (LWFA) is extensively used as a high-energy electron source,
with electrons achieving energies up to the GeV level. The produced electron beam …

A computational study on the optical shaping of gas targets via blast wave collisions for magnetic vortex acceleration

I Tazes, S Passalidis, E Kaselouris, I Fitilis… - High Power Laser …, 2022 - cambridge.org
This research work emphasizes the capability of delivering optically shaped targets through
the interaction of nanosecond laser pulses with high-density gas-jet profiles, and explores …