Exploring street art paintings by microspatially offset Raman spectroscopy

Alessandra Botteon, Chiara Colombo, Marco Realini, Susanna Bracci, Donata Magrini, Pavel Matousek, Claudia Conti

2018-07-17articleJournal of Raman Spectroscopy18 citationsclosed

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Cultural Heritage Materials Analysis Spectroscopy and Chemometric Analyses Spectroscopy Techniques in Biomedical and Chemical Research

Abstract

Abstract Microspatially offset Raman spectroscopy (micro‐SORS) is a recently developed analytical technique combining SORS with microscopy. With this method, highly diffusely scattering microlayers such as painted stratigraphies can be noninvasively probed. In this study, we explore micro‐SORS for identifying the chemical composition of subsurface layers in real, street art mural paintings as a new nondestructive method for the characterization of their stratigraphy. Two micro‐SORS variants, defocusing and full micro‐SORS, were tested and compared.

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References

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Cited by

2020Non‐invasive and in situ investigation of layers sequence in panel paintings by portable micro‐spatially offset Raman spectroscopy