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Depth scans on car paint samples with Raman spectroscopy and LIBS

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Depth scans on car paint samples with Raman spectroscopy and LIBS

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  • Author: Lutz Pfeifer, Saskia Damaske, Wolfgang Werncke and Virginia Merk
The combination of Raman spectroscopy with laser-induced breakdown spectroscopy (LIBS) has the advantage of coupling two complementary analytical methods: with LIBS it is possible to obtain information about the elemental composition of a sample at the examination point, while Raman spectroscopy reveals the molecular, crystalline or mineralogical structure. Another benefit of combining Raman/LIBS measurements is the opportunity to achieve depth information. Namely, characterization of a sample’s constitution when penetrating the surface with repeated laser ablations at the same point.

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