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Rocky Mountain Instruments - Infrared Optics LB

Visions of Cultures Past

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Caren B. Les, [email protected]

Surface-enhanced resonance Raman scattering has provided a rapid and unobtrusive way of analyzing organic pigments and glazes in works of art. Analysis of organic colorants could lead to a deeper understanding of past cultures and societies, providing key information to art historians in terms of attribution and provenance, relating works of art and historical interests such as following trade routes. A refined spectroscopy technique called surface-enhanced resonance Raman scattering was used to analyze the red painted area on this ancient Egyptian artifact titled “Fragment of a Quiver,”...Read full article

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    Published: December 2009
    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...
    archaeologyartart historyCaren B. LescultureEgyptFrancesco GranacciglazesheritageImagingkermeslac dyeLighter Sidemadder lakeMarco LeonaMetropolitan Museum of Artmonodisperse silver colloidMontvianeix MadonnaMorgan MadonnaOpticsorganic colorantsorganic pigmentspaintingsProceedings of National Academy of Science (PNAS)provenancequiverRaman spectroscopySERRSSt. John the Baptist Bearing Witnesssurface-enhanced resonance Raman scattering

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