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Título

Time- and space-resolved spectroscopic characterization of laser-induced swine muscle tissue plasma

AutorCamacho, J.J.; Díaz Sol, Luis ; Martínez-Ramírez, S. ; Cáceres, J.O.
Palabras claveLaser-produced plasma (LPP)
Laser-induced breakdown spectroscopy (LIBS)
Time-resolved imaging
Plasma electron density
Plasma temperature
Fecha de publicación26-jun-2015
EditorElsevier
CitaciónSpectrochimica Acta - B - Atomic Spectroscopy, 111: 92-101 (2015)
ResumenThe spatial-temporal evolution of muscle tissue sample plasma induced by a high-power transversely excited atmospheric (TEA) CO2 pulsed laser at vacuum conditions (0.1–0.01 Pa) has been investigated using high-resolution optical emission spectroscopy (OES) and imaging methods. The induced plasma shows mainly electronically excited neutral Na, K, C, Mg, H, Ca, N and O atoms, ionized C+, C2 +, C3 +, Mg+, Mg2 +, N+, N2 +, Ca+, O+ and O2 + species and molecular band systems of CN(B2Σ+–X2Σ+), C2(d3Πg–a3Πu), CH(B2Σ−–X2Π; A2Δ–X2Π), NH(A3Π–X3Σ−), OH(A2Σ+–X2 Σ+), and CaOH(B2Σ+–X2Σ+; A2Π–X2Σ+). Time-resolved two-dimensional emission spectroscopy is used to study the expanded distribution of different species ejected during ablation. Spatial and temporal variations of different atoms and ionic excited species are reported. Plasma parameters such as electron density and temperature were measured from the spatio-temporal analysis of different species. Average velocities of some plasma species were estimated. © 2015 Elsevier B.V. All rights reserved.
Descripción10 págs.; 12 figs.; 1 tab.
Versión del editorhttp://dx.doi.org/10.1016/j.sab.2015.07.008
URIhttp://hdl.handle.net/10261/128722
DOI10.1016/j.sab.2015.07.008
ISSN0584-8547
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