Physical Unclonable Functions Based on Holographic Microstructures on Silver
Angeliki Anastasiou, Evangelia I. Zacharaki, Anastasios Tsakas, Κωνσταντίνος Μουστάκας, Dimitris Alexandropoulos · Conference on Lasers and Electro-Optics · 2021
We demonstrate the utilization of Computer-Generated Holograms engraved on silver surface with a nanosecond infrared fiber laser as ultra-strong optical PUFs. The reconstructed images represented through a few distinctive features could create robust authentication keys.