COMBINED RAMAN SPECTROSCOPY AND LASER-INDUCED BREAKDOWN SPECTROSCOPY
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United States of America Patent
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Issued Date -
Jun 16, 2016
app pub date -
Dec 16, 2014
filing date -
Dec 16, 2014
priority date (Note) -
Abandoned
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Abstract
An apparatus includes a single laser source configurable to produce laser pulses directable towards a target substance, a focusing lens optically positionable between the single laser source and the target substance, the focusing lens focusing a first laser pulse to ablate at least a portion of the target substance when in a first focusing lens position to generate a plasma plume, the plume emitting atomic emission lines characteristic of elements including the target substance, the focusing lens focusing a second laser pulse in the target substance when in a second focusing lens position, resulting in Raman scattering, a collection optics assembly to detect signals representing the atomic emission lines characteristic of the target substance and the Raman scattering, and a spectrometer to detect signals received from the collection optics assembly.
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