Electrically Switchable, Polarization-Sensitive Encryption Based on Aluminum Nanoaperture Arrays Integrated with Polymer-Dispersed Liquid Crystals - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Nano Letters Année : 2021

Electrically Switchable, Polarization-Sensitive Encryption Based on Aluminum Nanoaperture Arrays Integrated with Polymer-Dispersed Liquid Crystals

Résumé

Metasurface-based structural coloration is a promising enabling technology for advanced optical encryption with a high-security level. Herein, we propose a paradigm of electrically switchable, polarization-sensitive optical encryption based on designed metasurfaces integrated with polymer-dispersed liquid crystals. The metasurfaces consist of anisotropic and isotropic aluminum nanoaperture arrays. Optical images can be encrypted by elaborately arranging anisotropic and isotropic nanoapertures based on their polarization-dependent plasmonic resonance characteristics. We demonstrate high-quality encrypted images and QR codes with electrically switchable, polarization-sensitive properties based on PDLC-integrated aluminum nanoaperture arrays. The proposed technique can be applied to many fields including high-security optical encryption, security tags, anticounterfeiting, multichannel imaging, and dynamic displays
Fichier principal
Vignette du fichier
Electrically Switchable, Polarization-Sensitive Encryption_Manuscript_R3_Clean.pdf (1.41 Mo) Télécharger le fichier
Origine : Fichiers produits par l'(les) auteur(s)

Dates et versions

hal-03328909 , version 1 (30-08-2021)

Identifiants

Citer

Ke Li, Jiawei Wang, Wenfeng Cai, Huilin He, Mengjia Cen, et al.. Electrically Switchable, Polarization-Sensitive Encryption Based on Aluminum Nanoaperture Arrays Integrated with Polymer-Dispersed Liquid Crystals. Nano Letters, 2021, 21 (17), pp.7183-7190. ⟨10.1021/acs.nanolett.1c01947⟩. ⟨hal-03328909⟩
52 Consultations
175 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More