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Heritage Science
Fig. 2 | Heritage Science

Fig. 2

From: Dual wavelength excitation for the time-resolved photoluminescence imaging of painted ancient Egyptian objects

Fig. 2

Digital imaging of the cartonage from the Burri collection. (Top) Visible image; (middle) image of the PL emitted in the visible following UV excitation, highlighting the presence of a fluorescence red pigment. Three points analysed with PL spectroscopy are indicated. (Bottom) image of the NIR-PL following excitation with green light, demonstrating the presence of a NIR emitting pigment, most probably Egyptian Blue, in most of the areas painted in dark colours

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