Correlative Raman Imaging of Polymeric Materials
Confocal Raman microscopy is a promising technique for highresolution, non-destructive and label-free analysis of polymers in two or three dimensions. It can easily be combined with other imaging techniques such as AFM or SNOM.
contributed by WITec |
The Raman principle
The Raman effect is based on inelastic scattering of excitation light by the molecules of gaseous, liquid or solid materials. The interaction of a molecule with photons causes vibrations of its chemical bonds, leading to specific energy shifts in the scattered light that can be identified in its Raman spectrum.
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