Normalization of laser-induced breakdown spectroscopy spectra using a plastic optical fiber light collector and acoustic sensor device

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URI: http://hdl.handle.net/10902/2172
ISSN: 2155-3165
ISSN: 1559-128X
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Autoría
Anabitarte García, FranciscoAutoridad Unican; Rodríguez Cobo, LuisAutoridad Unican; López Higuera, José MiguelAutoridad Unican; Cobo García, AdolfoAutoridad Unican
Fecha
2012-12-01
Derechos
© 2012 Optical Society of America. This paper was published in Applied Optics and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://dx.doi.org/10.1364/AO.51.008306. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
Publicado en
Applied Optics, 2012, 51(34), 8306-8314
Editorial
The Optical Society (OSA)
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Resumen/Abstract
To estimate the acoustic plasma energy in laser-induced breakdown spectroscopy (LIBS) experiments, a light collecting and acoustic sensing device based on a coil of plastic optical fiber (POF) is proposed. The speckle perturbation induced by the plasma acoustic energy was monitored using a CCD camera placed at the end of a coil of multimode POF and processed with an intraimage contrast ratio method. The results were successfully verified with the acoustic energy measured by a reference microphone. The proposed device is useful for normalizing LIBS spectra, enabling a better estimation of the sample’s chemical composition.
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