Science
A display that completely blocks off counterfeits – EurekAlert
POSTECH research team led by Professor Junsuk Rho develops nanostructures capable of polarized optical encryption.
IMAGE: Schematic illustration of switchable metasurfaces
Full-color image is switched on (top) and concealed (bottom) by the polarization angle (0° and 90°) of the incident light, making it applicable to cryptography….
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Credit: POSTECH
Despite the anticounterfeiting devices attached to luxury handbags, marketable securities, and identification cards, counterfeit goods are on the rise. There is a demand for the next-generation anticounterfeiting technology – that surpasses the traditional…
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