Fig. 3: PSL performance of the LiGa5O8: Mn2+ NC-embedded TGC. | Light: Science & Applications

Fig. 3: PSL performance of the LiGa5O8: Mn2+ NC-embedded TGC.

From: High-security-level multi-dimensional optical storage medium: nanostructured glass embedded with LiGa5O8: Mn2+ with photostimulated luminescence

Fig. 3

a PSL spectra of PG and TGC heat treated at 750 °C for different durations. b PSL decay curve (λem = 510 nm) of TGC recorded by periodically controlling the on/off state of a 1 W 808 nm NIR laser (the on/off intervals set as 30 s). Before NIR stimulation, the sample was preirradiated at 254 nm for 5 min and naturally decayed to show no PersL in the dark. c The created PSL excitation (PSLE) spectra for PG and TGC. d PSL decay curves (λem = 510 nm) of TGC recorded in a 30 s periodic mode stimulated by 808, 980, and 1550 nm NIR lasers (power set as 0.4 W). Note: the charging condition is the same as that in b

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