Recent advances on micro Spatially Offset Raman Spectroscopy (micro-SORS), an optical spectroscopy method able to non-invasively investigate at the microscale the molecular composition of the subsurface of turbid materials, will be presented. The recent research topics include the application of micro-SORS to non-invasively reconstruct the diffusion profiles of conservation treatments applied in calcium-based matrices, the first in-situ surveys of prestigious panel paintings with a portable micro-SORS prototype derived modifying a commercial portable Raman spectrometer, and proof-of-concept experiments performed coupling micro-SORS with Time-Gated Raman Spectral Multiplexing method for the non-invasive suppression of the fluorescence originated by the subsurface.
Sensing through the surface of art materials with advanced Raman spectroscopy techniques
Conti C;Botteon A;
2021
Abstract
Recent advances on micro Spatially Offset Raman Spectroscopy (micro-SORS), an optical spectroscopy method able to non-invasively investigate at the microscale the molecular composition of the subsurface of turbid materials, will be presented. The recent research topics include the application of micro-SORS to non-invasively reconstruct the diffusion profiles of conservation treatments applied in calcium-based matrices, the first in-situ surveys of prestigious panel paintings with a portable micro-SORS prototype derived modifying a commercial portable Raman spectrometer, and proof-of-concept experiments performed coupling micro-SORS with Time-Gated Raman Spectral Multiplexing method for the non-invasive suppression of the fluorescence originated by the subsurface.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
