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Fig. 3 | Heritage Science

Fig. 3

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

Fig. 3

Laser-induced PL spectroscopy of different analysis points of the cartonage: a red-pink painted area (point 1 in Fig. 2) (λmax 615 nm), flesh tones (point 2 in Fig. 2) (λmax 590 nm) following excitation at 355 nm. The PL emission spectrum of an area painted with dark colours (point 3 in Fig. 2) (λmax 920 nm) resembles the spectral features of Egyptian blue

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