Fig. 2: Reversible photochromism and luminescence modification. | Light: Science & Applications

Fig. 2: Reversible photochromism and luminescence modification.

From: Reversible 3D optical data storage and information encryption in photo-modulated transparent glass medium

Fig. 2: Reversible photochromism and luminescence modification.

a Transmission spectra and photos of WPG-Sb1 glass irradiated by unfocused 473 nm laser (151.26 W cm−2) for various times. b, c Luminescence spectra (b) and corresponding modulation degree (c) of WPG-Sb1 glass scanned by unfocused 473 nm laser for various times under 465 nm excitation. d Transmission spectra and photos of blue WPG-Sb1 glass heat-treated at various temperatures for 10 min. e, f Luminescence spectra (e) and luminescence recovery degree (ΔRr) (f) of the blue WPG-Sb1 glass bleached by various temperatures for 10 min. g, h 614 nm transmittance (g) and luminescence intensity (h) of WPG-Sb1 glass by alternating 473 nm laser (151.26 W cm−2, 15 min) and thermal stimulation (300 °C, 10 min) as a function of cycle numbers.

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