Laser‐Empowered Random Metasurfaces for White Light Printed Image Multiplexing

Going beyond the ink-less color printing with lasers, this paper from Hubert Curien laboratory, published in Advanced Functional Materials, demonstrates the femtosecond-laser printing of multiplexed color information that can be revealed optically. Three images are encoded in a 200 nm thick metasurface printed in once by a single laser beam and can be observed independtly under white light by changing the conditions of observation. The article highlights the very interesting optical properties of still poorly appreciated laser-induced random plasmonic metasurfaces.

Nathalie Destouches, Nipun Sharma, Marie Vangheluwe, Nicolas Dalloz, Francis Vocanson, Matthieu Bugnet, Mathieu Hébert, Jan Siegel , "Laser-empowered metasurfaces for white light printed image multiplexing", Adv. Func. Mater., (2021), https://doi.org/10.1002/adfm.202010430

Movie teaser of the article: https://youtu.be/d1jstP4lCk0

This work, carried out with our partners from the Insituto de Optica - CISIC in Madrid and MATEIS in Lyon, was funded by the ANR (MIXUP, ANR-18-CE39-0010), the Region Auvergne Rhone-Alpes, the LABEX MANUTECH-SISE (ANR-10-LABX-0075) of Université de Lyon, within the program Investissements d’Avenir (ANR-11-IDEX-0007), the Spanish Ministry of Science, Innovation and Universities (UDiSON, TEC2017-82464-R), the CSIC (201850E057) and the CNRS (SAMUL, PICS).