Application of Photo-Induced Chirality in Covert Authentication

Application of Photo-Induced Chirality in Covert Authentication

A new technology to write and read covert information in authentication labels is described. This technology uses the phenomenon of photo-induced chirality in Ge<sub>2</sub>Sb<sub>2</sub>Te<sub>5</sub> thin films to encode the left- or right-circular or linear pol...

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Bibliographic Details
Main Authors: Konstantin B. Borisenko, Janaki Shanmugam, Andrew Luers, Paul Ewart, Benjamin A. O. Williams, Daniel W. Hewak, Rohanah Hussain, Tamás Jávorfi, Giuliano Siligardi, Angus I. Kirkland
Format: Article
Language:English
Published: MDPI AG 2024-10-01
Series:Applied Sciences
Subjects:
authentication labels
chirality
polarization
circular dichroism
Online Access:https://www.mdpi.com/2076-3417/14/21/9743

Internet

https://www.mdpi.com/2076-3417/14/21/9743

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