Optical security features and filters using plasmonic nanostructures

Benjamin Gallinet; Fabian Lütolf; Luc Duempelmann; Guillaume Basset; Angélique Luu-Dinh; Marc Schnieper; Christian Bosshard

doi:10.1117/12.2250642

20 February 2017 Optical security features and filters using plasmonic nanostructures

Benjamin Gallinet, Fabian Lütolf, Luc Duempelmann, Guillaume Basset, Angélique Luu-Dinh, Marc Schnieper, Christian Bosshard

Author Affiliations +

Proceedings Volume 10112, Photonic and Phononic Properties of Engineered Nanostructures VII; 101121E (2017) https://doi.org/10.1117/12.2250642
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

Plasmonics involves the interaction of light with metallic structures at the nanoscale, which enables in particular the generation of strong reflection and absorption effects in the visible and near infrared range. The fabrication of plasmonic nanostructures using ultra-violet (UV) imprint and thin metallic coatings is reported. Wafer-scale fabrication and process compatibility with cost-efficient roll-to-roll production are demonstrated, which paves the road towards an industrial implementation. The color, phase, polarization and direction of the transmitted light are controlled by tuning the process parameters and the symmetry of the nanostructures. A family of devices is presented, for which the potential for sensing, filtering, anticounterfeiting and optical security is evaluated.

Citation Download Citation

Benjamin Gallinet, Fabian Lütolf, Luc Duempelmann, Guillaume Basset, Angélique Luu-Dinh, Marc Schnieper, and Christian Bosshard "Optical security features and filters using plasmonic nanostructures", Proc. SPIE 10112, Photonic and Phononic Properties of Engineered Nanostructures VII, 101121E (20 February 2017); https://doi.org/10.1117/12.2250642

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