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Updated: Jun 8, 2026

Demonstration of a Hyperlens-integrated Microscope and Super-resolution Imaging

Demonstration of a Hyperlens-integrated Microscope and Super-resolution Imaging

Published on: September 8, 2017

Resonant metalenses for breaking the diffraction barrier.

Fabrice Lemoult¹, Geoffroy Lerosey, Julien de Rosny

¹Institut Langevin, ESPCI ParisTech & CNRS, Laboratoire Ondes et Acoustique, 10 rue Vauquelin, 75231 Paris Cedex 05, France.

Physical Review Letters

|September 28, 2010

Summary

We developed a resonant metalens using coupled subwavelength resonators for high-resolution imaging. This technology enables sub-diffraction imaging and focusing by converting wave fields into temporal signals, applicable across various frequencies.

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Area of Science:

Optics and Photonics
Metamaterials
Wave Physics

Background:

Subwavelength resonators offer unique electromagnetic properties.
Controlling wave fields at the subwavelength scale is crucial for advanced optical applications.
The diffraction limit restricts imaging resolution in conventional systems.

Purpose of the Study:

To introduce and demonstrate the functionality of a resonant metalens.
To achieve imaging and focusing with resolutions beyond the diffraction limit.
To explore the underlying physical mechanisms of subwavelength wave field manipulation.

Main Methods:

Designing and fabricating a cluster of coupled subwavelength resonators.
Utilizing dispersion properties for wave field to temporal signature conversion.
Employing the Purcell effect for efficient far-field radiation.
Experimental validation using microwave frequencies and resonant wire arrays.

Main Results:

Demonstrated subwavelength wave field conversion into temporal signatures.
Achieved efficient far-field radiation of information via the Purcell effect.
Experimentally realized imaging and focusing with resolutions significantly below the diffraction limit.
Provided a physical understanding of the resonant metalens mechanism.

Conclusions:

The resonant metalens concept enables super-resolution imaging and focusing.
This technology is adaptable to any frequency range where subwavelength resonators can be engineered.
Opens new avenues for subwavelength optical manipulation and high-resolution sensing.