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Related Experiment Video

Updated: May 2, 2026

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

Published on: June 7, 2019

Nonlocal Mechano-Optical Metasurfaces.

Freek van Gorp¹, Wenfeng Liu¹, Corentin Coulais¹

¹Institute of Physics, Universiteit van Amsterdam, 1098 XH Amsterdam, The Netherlands.

|November 24, 2025

Summary

This summary is machine-generated.

Researchers developed tunable mechano-optical metasurfaces by integrating mechanical metamaterials with optical metasurfaces. These novel structures offer giant tunability for advanced optical applications.

Keywords:

kirigami mechanical tuning multifunctional metamaterial nonlocal metasurface quasi-BIC

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Area of Science:

Nanophotonics and Metamaterials
Mechanical Engineering and Materials Science

Background:

Metasurfaces offer control over optical wavefronts via reconfigurable nanostructures.
Mechanical metamaterials provide unique strain-dependent properties.

Purpose of the Study:

To achieve giant tunability in mechano-optical metasurfaces by integrating mechanical and optical functionalities.
To explore novel designs for active metasurfaces with on-demand optical control.

Main Methods:

Combining mechanical metamaterial principles with nonlocal optical resonance sensitivity to interparticle distances.
Designing integrated nanopatterned materials functioning as both mechanical and optical components.
Utilizing engineered cuts in a flexible substrate for strain-induced tuning.
Developing a substrate-free nanopatterned silicon membrane design.

Main Results:

Demonstrated giant tunability in mechano-optical metasurfaces through strain-induced changes in interparticle spacing.
Achieved broad spectral tuning of high-quality-factor resonances in silicon nanoparticle arrays.
Successfully created a monolithic silicon membrane acting as both a mechanical metamaterial and an optical metasurface.
Showcased significant tunability without a separate substrate.

Conclusions:

Mechano-optical metasurfaces offer a promising pathway for active optical devices.
The integrated approach enables large, on-demand control over optical properties.
Potential applications include tunable filters, reconfigurable lenses, and dynamic wavefront shaping.