A computational model for nanosecond pulse laser-plasma interactions

A Munafò, A Alberti, C Pantano, JB Freund… - Journal of Computational …, 2020 - Elsevier
A multi-physics numerical model for laser-induced optical breakdown and laser-plasma
interaction in a non-equilibrium gas is presented, accounting for: production of priming …

Self-consistent model and numerical approach for laser-induced non-equilibrium plasma

S Pokharel, AA Tropina - Journal of Applied Physics, 2023 - pubs.aip.org
This paper presents a self-consistent multi-dimensional mathematical model and a
numerical approach for simulating the low-temperature plasma induced by the femtosecond …

Two-dimensional high resolution electron properties of femtosecond laser-induced plasma filament in atmospheric pressure argon

J Bak, G Urdaneta, S Pokharel, RB Miles, A Tropina - Scientific Reports, 2024 - nature.com
This work reports the measurement of two-dimensional electron properties over a
nanosecond scale integration time across a femtosecond laser-induced plasma filament in …

The laser lightning rod project

T Produit, P Walch, C Herkommer, A Mostajabi… - The European Physical …, 2021 - epjap.org
Lightning is highly destructive due to its high power density and unpredictable character.
Directing lightning away would allow to protect sensitive sites from its direct and indirect …

[HTML][HTML] Counting the electrons in a multiphoton ionization by elastic scattering of microwaves

A Sharma, MN Slipchenko, MN Shneider, X Wang… - Scientific reports, 2018 - nature.com
Multiphoton ionization (MPI) is a fundamental first step in high-energy laser-matter
interaction and is important for understanding the mechanism of plasma formation. With the …

Simulation of filamentation dynamics of microwave discharge in nitrogen

A Saifutdinov, E Kustova - Plasma Sources Science and …, 2023 - iopscience.iop.org
The present study deals with numerical simulations of microwave (MW) discharges in
nitrogen based on extended fluid-dynamic model. The set of governing equations for non …

Dynamics of focused pulsed microwave discharge in air

AI Saifutdinov, EV Kustova, AG Karpenko… - Plasma Physics …, 2019 - Springer
The formation dynamics of the parameters of a microwave discharge in air localized at
electric field maxima created by a specially developed focusing system is investigated using …

The dynamic expansion of leader discharge channels under positive voltage impulse with different rise times in long air gap: experimental observation and simulation …

Y Cui, C Zhuang, X Zhou, R Zeng - Journal of Applied Physics, 2019 - pubs.aip.org
In this paper, we observe the dynamic expansion process of positive leader channels under
impulses with different rise times in a 1-m air gap using a Mach-Zehnder interferometry and …

[HTML][HTML] Dual-pulse laser ignition model

R Mahamud, AA Tropina, MN Shneider, RB Miles - Physics of Fluids, 2018 - pubs.aip.org
A two-dimensional mathematical model of dual-pulse laser ignition that self-consistently
integrates Navier-Stokes, translational and vibrational energy, and neutral and charged …

Extended lifetime of high density plasma filament generated by a dual femtosecond–nanosecond laser pulse in air

J Papeer, M Botton, D Gordon, P Sprangle… - New Journal of …, 2014 - iopscience.iop.org
A substantially extended lifetime of a high-density plasma channel generated in the wake of
an intense femtosecond pulse propagating in air is experimentally demonstrated. Free …