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Conferences > CLEOPR > 2022 > CTuP8B > CTuP8B_03

Multi-level anti-counterfeiting based on covert structural features embedded in a fs-laser-treated gold/graphene layer

Shiru Jiang, Su-Han Kim, Chul-Soon Park, Woo-Bin Lee, and Sang-Shin Lee

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Abstract

A gold/graphene hybrid layer works as triple-level anti-counterfeiting after femtosecond laser irradiation. The presence of graphene enables key structural information related to anti-counterfeiting signatures to be covert thoroughly under the surface of the hybrid layer.

© 2022 IEEE

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