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Related Experiment Video

Updated: Jun 29, 2026

Indoor Experimental Assessment of the Efficiency and Irradiance Spot of the Achromatic Doublet on Glass (ADG) Fresnel Lens for Concentrating Photovoltaics
09:00

Indoor Experimental Assessment of the Efficiency and Irradiance Spot of the Achromatic Doublet on Glass (ADG) Fresnel Lens for Concentrating Photovoltaics

Published on: October 27, 2017

Composite functional metasurfaces for multispectral achromatic optics.

Ori Avayu1, Euclides Almeida2, Yehiam Prior2

  • 1Department of Physical Electronics, Fleischman Faculty of Engineering, Tel-Aviv University, 69978 Tel-Aviv, Israel.

Nature Communications
|April 6, 2017
PubMed
Summary
This summary is machine-generated.

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Researchers developed achromatic metalenses by stacking multiple metasurfaces. This breakthrough overcomes chromatic aberrations, enabling advanced optical elements for multiwavelength applications.

Area of Science:

  • Optics and Photonics
  • Nanotechnology
  • Materials Science

Background:

  • Metasurfaces enable subwavelength control of optical waves, offering alternatives to traditional optical elements.
  • Existing metasurface designs often exhibit significant chromatic aberrations, limiting their use in multiwavelength or broadband applications.

Purpose of the Study:

  • To overcome chromatic aberrations in diffractive optical elements.
  • To demonstrate a novel approach for creating achromatic and multifunctional nanostructured optical devices.

Main Methods:

  • Dense vertical stacking of independent metasurfaces, with each layer optimized for a specific spectral band and material.
  • Fabrication and characterization of a triply red, green, and blue achromatic metalens.
  • Demonstration of functional beam shaping for stimulated emission depletion microscopy and anomalous dispersive focusing.

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Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces
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Published on: June 7, 2019

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms
08:48

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms

Published on: September 25, 2020

Related Experiment Videos

Last Updated: Jun 29, 2026

Indoor Experimental Assessment of the Efficiency and Irradiance Spot of the Achromatic Doublet on Glass (ADG) Fresnel Lens for Concentrating Photovoltaics
09:00

Indoor Experimental Assessment of the Efficiency and Irradiance Spot of the Achromatic Doublet on Glass (ADG) Fresnel Lens for Concentrating Photovoltaics

Published on: October 27, 2017

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces
09:33

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

Published on: June 7, 2019

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms
08:48

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms

Published on: September 25, 2020

Main Results:

  • Successfully demonstrated a triply achromatic metalens in the visible spectrum.
  • Showcased functional beam shaping capabilities for advanced microscopy techniques.
  • Achieved anomalous dispersive focusing with a single nanostructured element.

Conclusions:

  • Dense vertical stacking of independently designed metasurfaces effectively alleviates chromatic aberrations.
  • This approach enables the creation of ultra-thin, superachromatic optical elements with multiple functionalities.
  • Paves the way for next-generation compact and versatile optical systems.