Article
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Spatial Molecular AlO Temperature Distributions in Laser-Induced Plasma
Version 1
: Received: 10 July 2019 / Approved: 11 July 2019 / Online: 11 July 2019 (09:30:23 CEST)
A peer-reviewed article of this Preprint also exists.
Surmick, D.M.; Dagel, D.J.; Parigger, C.G. Spatial Molecular AlO Temperature Distributions in Laser-Induced Plasma. Atoms 2019, 7, 86. Surmick, D.M.; Dagel, D.J.; Parigger, C.G. Spatial Molecular AlO Temperature Distributions in Laser-Induced Plasma. Atoms 2019, 7, 86.
Abstract
Spatially resolved, line-of-sight measurements of aluminum monoxide emission spectra in laser ablation plasma are used with Abel inversion techniques to extract radial plasma temperatures. Contour mapping of the radially deconvolved signal intensity shows a ring of AlO formation near the plasma boundary with the ambient atmosphere. Simulations of the molecular spectra were coupled with the line profile fitting routines. Temperature results are presented with simultaneous inferences from lateral, asymmetric radial, and symmetric radial AlO spectral intensity profiles. This analysis indicates that we measured shockwave phenomena in the radial profiles, including a temperature drop behind the blast wave created during plasma initiation.
Keywords
molecular spectroscopy; diatomic spectroscopy; Abel transform; plasma spectroscopy; laser-induced breakdown spectroscopy; laser-induced plasma; plasma dynamics
Subject
Physical Sciences, Atomic and Molecular Physics
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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