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Raman/LIBS Aid Explosives Detection

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MÁLAGA, Spain, March 23, 2010 — Using a novel hybrid sensor system, Spanish scientists have used both Raman and laser-induced breakdown spectroscopy (LIBS) simultaneously for the instant, remote standoff analysis of explosive materials. Because the new system allows complementary molecular identification and abundance information to be gathered from two sensing techniques, it represents a powerful analytical tool for the standoff detection of explosives present in trace quantities. Once completely field-tested, a mobile hybrid sensor system based on this hyphenated spectroscopy approach potentially could be safely...Read full article

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    Published: March 2010
    Glossary
    raman spectroscopy
    Raman spectroscopy is a technique used in analytical chemistry and physics to study vibrational, rotational, and other low-frequency modes in a system. Named after the Indian physicist Sir C.V. Raman who discovered the phenomenon in 1928, Raman spectroscopy provides information about molecular vibrations by measuring the inelastic scattering of monochromatic light. Here is a breakdown of the process: Incident light: A monochromatic (single wavelength) light, usually from a laser, is...
    telescope
    An afocal optical device made up of lenses or mirrors, usually with a magnification greater than unity, that renders distant objects more distinct, by enlarging their images on the retina.
    Andor TechnologyC4CCDcyclotrimethylenetrinitraminedinitrotolueneDNTenergyEuropeexplosivesGoma2-ECOH15Imagingintensified CCDsiStarJosé Javier Lasernalaser-induced breakdown spectroscopyLIBSMNTmolecular identificationmononitrotolueneNd:YAG lasersNorthern Irelandplastic explosivesRaman spectroscopyRDXResearch & TechnologySensors & DetectorsShamrock SR303iSpainSpectrometersspectroscopytelescopeTest & MeasurementTNTUniversity of MalagaLasers

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