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Laser-induced breakdown spectroscopy of iron ore

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Abstract

A recent development in atomic emission spectroscopy is that of laser-induced breakdown spectroscopy (LIBS), in which a high-powered pulsed laser is focused on a sample to create a luminous plasma. The light emitted by the plasma is characteristic of the sample's elemental content, and this may be deduced by spectroscopic analysis of the light. We have looked at the problem of determining the design parameters for a LIBS elemental analysis system for iron ore, which will be suitable for use in an industrial situation, A computer-controlled spectrometer has been constructed, and this has been used to collect and analyze the LIBS spectra of a range of ores.

© 1986 Optical Society of America

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