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. 2024 Nov 7;15:9658. doi: 10.1038/s41467-024-54057-9

Fig. 6. Schematic illustration of the real-time multi-channel optical encryption process.

Fig. 6

The proposed potential optical encryption method combines vectorial holographic images with structural colors using multi-resonant high-Q metasurfaces, offering a possibility for secure quinary encoding system.