Shock waves in laser-induced plasmas

B Campanella, S Legnaioli, S Pagnotta, F Poggialini… - Atoms, 2019 - mdpi.com
The production of a plasma by a pulsed laser beam in solids, liquids or gas is often
associated with the generation of a strong shock wave, which can be studied and interpreted …

The effect of excitation wavelength on dynamics of laser-produced tin plasma

SS Harilal, T Sizyuk, A Hassanein, D Campos… - Journal of Applied …, 2011 - pubs.aip.org
We investigated the effect of the excitation wavelength on the density evolution of laser-
produced tin plasmas, both experimentally and numerically. For producing plasmas, Sn …

Dynamics of angularly colliding laser-produced plasmas in air and argon ambient

S Shilpa, P Gopinath - Vacuum, 2023 - Elsevier
The effects of ambient gas pressure on the dynamics of angularly colliding laser-produced
plasmas are investigated in air and Ar ambient. Fast formation of intense stagnation region …

Collisionless coupling of ion and electron temperatures in counterstreaming plasma flows

JS Ross, HS Park, R Berger, L Divol, NL Kugland… - Physical Review Letters, 2013 - APS
Rapid electron and ion heating is observed in collisionless counterstreaming plasma flows
and explained via a novel heating mechanism that couples the electron and ion …

Stagnation layers at the collision front between two laser-induced plasmas: A study using time-resolved imaging and spectroscopy

J Dardis, JT Costello - Spectrochimica Acta Part B: Atomic Spectroscopy, 2010 - Elsevier
When two dense laser-induced plasmas collide a stagnation layer may form at the interface
region. The degree of stagnation depends on the so-called collisionality parameter given by …

Experimental characterization of the stagnation layer between two obliquely merging supersonic plasma jets

EC Merritt, AL Moser, SC Hsu, J Loverich, M Gilmore - Physical review letters, 2013 - APS
We present spatially resolved measurements characterizing the stagnation layer between
two obliquely merging supersonic plasma jets. Intrajet collisionality is very high, but the …

Experimental evidence for collisional shock formation via two obliquely merging supersonic plasma jets

EC Merritt, AL Moser, SC Hsu, CS Adams… - Physics of …, 2014 - pubs.aip.org
We report spatially resolved measurements of the oblique merging of two supersonic
laboratory plasma jets. The jets are formed and launched by pulsed-power-driven railguns …

Tuning of stagnation layer properties in colliding laser-produced plasmas

S Shilpa, P Gopinath - Optics & Laser Technology, 2024 - Elsevier
The variations in structural and emission characteristics of the stagnation layer produced by
the colliding laser-produced aluminium plasmas with different target geometry and inter …

Emission enhancement of femtosecond laser-induced breakdown spectroscopy using vortex beam

Q Wang, W Dang, Y Jiang, A Chen… - Journal of Physics B …, 2022 - iopscience.iop.org
This paper used femtosecond Gaussian and vortex beams to ablate a Cu target and
generate Cu plasmas. A Gaussian beam pulse is shaped into a vortex beam by a vortex …

Dynamics and density distribution of laser-produced plasma using optical interferometry

SQ Cao, MG Su, ZH Jiao, Q Min, DX Sun, PP Ma… - Physics of …, 2018 - pubs.aip.org
Dynamic evolution and spatio-temporally resolved density profiles of laser-produced plasma
in air were investigated using optical interferometry. A series of interferograms were …