Spectroscopic estimation of plasma parameters, in the 100-400 ns stage, of a laser-induced plasma in vacuum

Alonso Medina, Aurelia ORCID: https://orcid.org/0000-0002-7460-6561 (2019). Spectroscopic estimation of plasma parameters, in the 100-400 ns stage, of a laser-induced plasma in vacuum. "Spectroscopy Letters: an international journal for rapid communication", v. 52 (n. 3-4); pp. 219-236. ISSN 0038-7010. https://doi.org/10.1080/00387010.2019.1615956.

Description

Title: Spectroscopic estimation of plasma parameters, in the 100-400 ns stage, of a laser-induced plasma in vacuum
Author/s:
Item Type: Article
Título de Revista/Publicación: Spectroscopy Letters: an international journal for rapid communication
Date: June 2019
ISSN: 0038-7010
Volume: 52
Subjects:
Freetext Keywords: Atomic emission spectroscopy; Laser-induced plasma spectroscopy; Lead; Plasma expansion; Stark broadening parameters
Faculty: E.T.S.I. Diseño Industrial (UPM)
Department: Ingeniería Eléctrica, Electrónica Automática y Física Aplicada
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

This work is focused on the interpretation of the emission spectra in laser-induced plasma observed in the phase at 100-400 ns from after the laser pulse, when the discrete emission lines prevail on the continuum emission, can be important to retrieve the initial stage of expansion. A Q-switched neodymium-doped yttrium aluminum garnet laser has been used for the ablation of a lead sample in vacuum. The observed line profiles, corresponding to different species of lead, were analyzed in terms of delay time. Measurements of parameters of the produced plasmas are performed. The results obtained corroborate the importance of considering nonequilibrium effects in the initial stage of plasma expansion. Also, Stark width for two spectral lines of triply ionized lead is given.

Funding Projects

Type
Code
Acronym
Leader
Title
Government of Spain
MAT2015-63974-C4-2-R
Unspecified
Unspecified
Tratamiento mediante LSP de aleaciones de magnesio biodegradables y bioreabsorbibles como método de mejora de sus propiedades mecánicas

More information

Item ID: 55466
DC Identifier: https://oa.upm.es/55466/
OAI Identifier: oai:oa.upm.es:55466
DOI: 10.1080/00387010.2019.1615956
Official URL: https://www.tandfonline.com/doi/full/10.1080/00387...
Deposited by: Memoria Investigacion
Deposited on: 18 Jun 2019 10:44
Last Modified: 30 Jun 2020 22:30
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