Security labeling and optical information encryption enabled by laser-printed silicon Mie resonators

Author:

Syubaev Sergey1ORCID,Gordeev Ilya2,Modin Evgeny3,Terentyev Vadim4,Storozhenko Dmitriy1,Starikov Sergei5ORCID,Kuchmizhak Aleksandr A.16ORCID

Affiliation:

1. Institute of Automation and Control Processes, Far Eastern Branch, Russian Academy of Science, Vladivostok 690041, Russia

2. Joint Institute for High Temperatures of RAS, Moscow, Russia

3. CIC NanoGUNE BRTA, Avda Tolosa 76, 20018 Donostia-San Sebastian, Spain

4. Institute of Automation and Electrometry, Siberian Branch, Russian Academy of Sciences, 630090 Novosibirsk, Russia

5. The Interdisciplinary Centre for Advanced Materials Simulation (ICAMS), Ruhr-Universitat Bochum, Germany

6. Far Eastern Federal University, Vladivostok 690091, Russia

Abstract

Direct femtosecond-laser patterning of thin amorphous Si films is proposed for optical information encryption and highly reproducible fabrication of security labels composed of Raman-active hemispherical Si nanoparticles.

Funder

Russian Science Foundation

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science

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