Tunable metasurfaces

Olivier J. F. Martin

doi:10.1117/12.3028287

3 October 2024 Tunable metasurfaces

Olivier J. F. Martin

Author Affiliations +

Proceedings Volume PC13110, Active Photonic Platforms (APP) 2024; PC1311014 (2024) https://doi.org/10.1117/12.3028287
Event: Nanoscience + Engineering, 2024, San Diego, California, United States

Abstract

Tuning the optical response of metasurfaces can unleash their full potential as compact and reactive optical elements. Here, we present two different approaches to tune the spectral response of a metasurface. In the first approach, a micro-electromechanical system(MEMS)-actuated metasurface is demonstrated in the visible range of the optical spectrum. It consists of an amorphous silicon nanopillar array and a suspended silicon membrane with integrated electrostatic actuators. The second approach utilizes light itself to reconfigure the metasurface by trapping nanoparticles within a templated plasmonic substrate. Optical forces control the position of the nanoparticles, which in turn tune the metasurface spectral response.

Conference Presentation

Citation Download Citation

Olivier J. F. Martin "Tunable metasurfaces", Proc. SPIE PC13110, Active Photonic Platforms (APP) 2024, PC1311014 (3 October 2024); https://doi.org/10.1117/12.3028287

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