Scientific Results

Effect of laser-induced crater depth in laser-induced breakdown spectroscopy emission features

Year: 2005

Authors: Corsi M., Cristoforetti G., Hidalgo M., Iriarte D., Legnaioli S., Palleschi V., Salvetti A., Tognoni E.

Autors Affiliation: Univ Alicante, Dept Analyt Chem & Food Sci, E-03080 Alicante, Spain;
CNR, Inst Chem Phys Proc, Appl Laser Spect Lab, I-56124 Pisa, Italy;
UNCPBA, Fac Ciencias Exactas, IFAS, RA-7000 Tandil, Argentina;

Abstract: The influence of crater depth on plasma properties and laser-induced breakdown spectroscopy (LIBS) emission has been evaluated. Laser-induced plasmas were generated at the surface and at the bottom of different craters in a copper sample. Plasmas produced at the sample surface and at the bottom of the craters were spatially and temporally resolved. LIBS emission, temperature, and electronic number density of the plasmas were evaluated. It is shown that the confinement effect produced by the craters enhances the LIBS signal from the laser-induced plasmas.

Journal/Review: APPLIED SPECTROSCOPY

Volume: 59 (7)      Pages from: 853  to: 860

KeyWords: laser ablation; copper; crater depth; plasma confinement; LIBS
DOI: 10.1366/0003702054411607

Citations: 80
data from “WEB OF SCIENCE” (of Thomson Reuters) are update at: 2021-12-05
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