In this study, double-pulse micro-laser-induced breakdown spectroscopy (DP-μLIBS) associated to optical microscopy was applied to obtain a microscale three dimensional compositional mapping of a limestone monument encrusted quoin before and after its laser cleaning treatment. Mapping was carried out microdestructively by scanning the laser beam across the stone sample rough surface without further preparation. The compositional maps of the elements were obtained from the intensity of their DP-μLIBS emission lines.DP-μLIBSmapping analysis of the limestonewas able to discriminate effectively between elements originating from alteration mineralogy and elements of the matrix.
Double-pulse micro-laser-induced breakdown spectroscopy applied tothree dimensional mapping of stonemonumentsamples
Campanella B.;Pagnotta S.;Poggialini F.;Palleschi V.;
2017-01-01
Abstract
In this study, double-pulse micro-laser-induced breakdown spectroscopy (DP-μLIBS) associated to optical microscopy was applied to obtain a microscale three dimensional compositional mapping of a limestone monument encrusted quoin before and after its laser cleaning treatment. Mapping was carried out microdestructively by scanning the laser beam across the stone sample rough surface without further preparation. The compositional maps of the elements were obtained from the intensity of their DP-μLIBS emission lines.DP-μLIBSmapping analysis of the limestonewas able to discriminate effectively between elements originating from alteration mineralogy and elements of the matrix.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
