The advantages of metalenses over diffractive lenses

The advantages of metalenses over diffractive lenses

Optical elements play a crucial role in many modern systems, from cellphones to missiles. The miniaturization trend poses a challenge to optics, since classical lenses and mirrors tend to be bulky. One way of dealing with this challenge is using flat optics. For many years flat optics has been imple...

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Autores principales: Jacob Engelberg, Uriel Levy
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2020
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Acceso en línea:https://doaj.org/article/85af775a12854d26a8508502185a4f26
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spelling oai:doaj.org-article:85af775a12854d26a8508502185a4f262021-12-02T15:37:18ZThe advantages of metalenses over diffractive lenses10.1038/s41467-020-15972-92041-1723https://doaj.org/article/85af775a12854d26a8508502185a4f262020-04-01T00:00:00Zhttps://doi.org/10.1038/s41467-020-15972-9https://doaj.org/toc/2041-1723Optical elements play a crucial role in many modern systems, from cellphones to missiles. The miniaturization trend poses a challenge to optics, since classical lenses and mirrors tend to be bulky. One way of dealing with this challenge is using flat optics. For many years flat optics has been implemented using diffractive optics technology, but in the last two decades a new technology called metasurfaces has emerged. This technology does not replace diffractive optics, but rather expands on it, leveraging the new ability to manufacture subwavelength features on optical substrates. For imaging and focusing applications, diffractive lenses and metalenses are used, as a subset of diffractive optics and metasurfaces, respectively. Recently there has been debate over whether metalenses offer any real advantages over diffractive lenses. In this commentary we will try to gain some insight into this debate and present our opinion on the subject.Jacob EngelbergUriel LevyNature PortfolioarticleScienceQENNature Communications, Vol 11, Iss 1, Pp 1-4 (2020)
institution DOAJ
collection DOAJ
language EN
topic Science
Q
spellingShingle Science
Q
Jacob Engelberg
Uriel Levy
The advantages of metalenses over diffractive lenses
description Optical elements play a crucial role in many modern systems, from cellphones to missiles. The miniaturization trend poses a challenge to optics, since classical lenses and mirrors tend to be bulky. One way of dealing with this challenge is using flat optics. For many years flat optics has been implemented using diffractive optics technology, but in the last two decades a new technology called metasurfaces has emerged. This technology does not replace diffractive optics, but rather expands on it, leveraging the new ability to manufacture subwavelength features on optical substrates. For imaging and focusing applications, diffractive lenses and metalenses are used, as a subset of diffractive optics and metasurfaces, respectively. Recently there has been debate over whether metalenses offer any real advantages over diffractive lenses. In this commentary we will try to gain some insight into this debate and present our opinion on the subject.
format article
author Jacob Engelberg
Uriel Levy
author_facet Jacob Engelberg
Uriel Levy
author_sort Jacob Engelberg
title The advantages of metalenses over diffractive lenses
title_short The advantages of metalenses over diffractive lenses
title_full The advantages of metalenses over diffractive lenses
title_fullStr The advantages of metalenses over diffractive lenses
title_full_unstemmed The advantages of metalenses over diffractive lenses
title_sort advantages of metalenses over diffractive lenses
publisher Nature Portfolio
publishDate 2020
url https://doaj.org/article/85af775a12854d26a8508502185a4f26
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