Optical diagnostics of laser-produced plasmas

SS Harilal, MC Phillips, DH Froula, KK Anoop… - Reviews of Modern …, 2022 - APS
Laser-produced plasmas (LPPs) engulf exotic and complex conditions ranging in
temperature, density, pressure, magnetic and electric fields, charge states, charged particle …

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 …

Early-and late-time dynamics of laser-produced plasmas by combining emission and absorption spectroscopy

NL LaHaye, SS Harilal, MC Phillips - Spectrochimica Acta Part B: Atomic …, 2021 - Elsevier
Optical emission spectroscopy and laser absorption spectroscopy are two highly
complementary techniques for diagnosing plasmas, specifically determining important …

Spectro-temporal comparisons of optical emission, absorption, and laser-induced fluorescence for characterizing ns and fs laser-produced plasmas

SS Harilal, EJ Kautz, RJ Jones… - … Sources Science and …, 2021 - iopscience.iop.org
We performed simultaneous measurement of absorption, emission, and laser-induced
fluorescence spectroscopic signatures for determining nanosecond and femtosecond laser …

Shock front interaction and dynamics of laterally colliding laser-produced plasmas

S Shilpa, P Gopinath - Vacuum, 2022 - Elsevier
The effects of ambient gas pressure on the propagation dynamics of laterally colliding laser-
produced aluminum plasma is investigated under various ambient conditions. In lower …

Emission characteristics and dynamics of the stagnation layer in colliding laser produced plasmas

P Hough, C McLoughlin, SS Harilal… - Journal of Applied …, 2010 - pubs.aip.org
The expansion dynamics of ion and neutral species in laterally colliding laser produced
aluminum plasmas have been investigated using time and space resolved optical emission …

Dynamics of laser ablated colliding plumes

SL Gupta, PK Pandey, RK Thareja - Physics of Plasmas, 2013 - pubs.aip.org
We report the dynamics of single and two collinearly colliding laser ablated plumes of ZnO
studied using fast imaging and the spectroscopic measurements. Two dimensional imaging …

[HTML][HTML] Application of Nomarski interference system in supersonic gas-jet target diagnosis

Q Liu, M Ma, X Zhang, B Zhao, C Lv, X Meng, Z Wang… - AIP Advances, 2021 - pubs.aip.org
Supersonic gas-jet target performs an important role in laser wakefield acceleration, and its
density diagnosis is a significant part of target characteristic study. In this paper, a Mach …

Spatial and temporal variations of electron temperatures and densities from EUV-emitting lithium plasmas

RW Coons, SS Harilal, M Polek… - Analytical and bioanalytical …, 2011 - Springer
Planar slabs of pure Li were irradiated with 1.064 nm, 6 ns Nd: YAG laser pulses.
Determination of plasma densities at both the earliest times of plasma formation and near …

Optical diagnostics of laser-produced aluminium plasmas under water

N Walsh, JT Costello, TJ Kelly - Applied Physics B, 2017 - Springer
We report on the findings of double-pulse studies performed on an aluminium target
submerged in water using Nd: YAG laser pulses. Shadowgraphy measurements were …