All-dielectric silicon nanoparticles on flexible substrate for anticounterfeiting labels
2022 Sixteenth International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials)（2022）
Abstract
The steady growth of the counterfeit market necessitates the development of protection systems for original products. Here we demonstrate a femtosecond laser-induced printing of all-dielectric silicon nanoparticles onto polypropylene substrate. The optical properties of res-onant silicon nanoparticles and its spatial distribution within an area are suitable for a forensic security feature authentication. So, the proposed fabrication method is promising for a modern design of security tag development.
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Key words
flexible substrate,counterfeit market,protection systems,original products,femtosecond laser-induced printing,all-dielectric silicon nanoparticles,polypropylene substrate,optical properties,resonant silicon nanoparticles,spatial distribution,forensic security feature authentication,security tag development
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