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Issue 3, 2016
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Micro-scale spatially offset Raman spectroscopy for non-invasive subsurface analysis of turbid materials

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Abstract

This article reviews a very recent field of noninvasive analysis of turbid media using micro-scale Spatially Offset Raman Spectroscopy – micro-SORS. The technique combines conventional SORS with microscopy concepts and represents a new imaging modality in Raman microscopy. Micro-SORS facilitates analytical capability for investigating non-destructively the chemical composition of subsurface, micrometer-scale-thick diffusely scattering layers at depths more than an order of magnitude larger than those accessible with the depth resolving power of conventional confocal Raman microscopy. Potential application areas include nondestructive subsurface analysis of painted layers in cultural heritage, characterization of stratified polymer systems, analysis of layered biological samples or forensic analysis. The article discusses the basic principles of the technique, its variants and outlines emerging applications in this rapidly evolving field.

Graphical abstract: Micro-scale spatially offset Raman spectroscopy for non-invasive subsurface analysis of turbid materials

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Publication details

The article was received on 15 Oct 2015, accepted on 24 Nov 2015 and first published on 08 Dec 2015


Article type: Critical Review
DOI: 10.1039/C5AN02129D
Analyst, 2016,141, 731-739
  • Open access: Creative Commons BY license
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    Micro-scale spatially offset Raman spectroscopy for non-invasive subsurface analysis of turbid materials

    P. Matousek, C. Conti, M. Realini and C. Colombo, Analyst, 2016, 141, 731
    DOI: 10.1039/C5AN02129D

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