An accurate design of graphene oxide ultrathin flat lens based on Rayleigh-Sommerfeld theory

Graphene oxide (GO) ultrathin flat lenses have provided a new and viable solution to achieve high resolution, high efficiency, ultra-light weight, integratable and flexible optical systems. Current GO lenses are designed based on the Fresnel diffraction model, which uses a paraxial approximation for...

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Autores principales:	Cao Guiyuan, Gan Xiaosong, Lin Han, Jia Baohua
Formato:	article
Lenguaje:	EN
Publicado:	Institue of Optics and Electronics, Chinese Academy of Sciences 2018
Materias:	ultrathin flat lens graphene oxide rayleigh-sommerfeld diffraction fresnel diffraction Optics. Light QC350-467
Acceso en línea:	https://doaj.org/article/97143e3c8a57483b8a1aad4bad7ab2e0
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spelling	oai:doaj.org-article:97143e3c8a57483b8a1aad4bad7ab2e02021-11-11T10:07:31ZAn accurate design of graphene oxide ultrathin flat lens based on Rayleigh-Sommerfeld theory2096-457910.29026/oea.2018.180012https://doaj.org/article/97143e3c8a57483b8a1aad4bad7ab2e02018-09-01T00:00:00Zhttp://www.oejournal.org/article/doi/10.29026/oea.2018.180012https://doaj.org/toc/2096-4579Graphene oxide (GO) ultrathin flat lenses have provided a new and viable solution to achieve high resolution, high efficiency, ultra-light weight, integratable and flexible optical systems. Current GO lenses are designed based on the Fresnel diffraction model, which uses a paraxial approximation for low numerical aperture (NA) focusing process. Herein we develop a lens design method based on the Rayleigh-Sommerfeld (RS) diffraction theory that is able to unambiguously determine the radii of each ring without the optimization process for the first time. More importantly, the RS design method is able to accurately design GO lenses with arbitrary NA and focal length. Our design is experimentally confirmed by fabricating high NA GO lenses with both short and long focal lengths. Compared with the conventional Fresnel design methods, the differences in ring positions and the resulted focal length are up to 13.9% and 9.1%, respectively. Our method can be further applied to design high performance flat lenses of arbitrary materials given the NA and focal length requirements, including metasurfaces or other two-dimensional materials.Cao GuiyuanGan XiaosongLin HanJia BaohuaInstitue of Optics and Electronics, Chinese Academy of Sciencesarticleultrathin flat lensgraphene oxiderayleigh-sommerfeld diffractionfresnel diffractionOptics. LightQC350-467ENOpto-Electronic Advances, Vol 1, Iss 7, Pp 180012-1-180012-7 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	ultrathin flat lens graphene oxide rayleigh-sommerfeld diffraction fresnel diffraction Optics. Light QC350-467
spellingShingle	ultrathin flat lens graphene oxide rayleigh-sommerfeld diffraction fresnel diffraction Optics. Light QC350-467 Cao Guiyuan Gan Xiaosong Lin Han Jia Baohua An accurate design of graphene oxide ultrathin flat lens based on Rayleigh-Sommerfeld theory
description	Graphene oxide (GO) ultrathin flat lenses have provided a new and viable solution to achieve high resolution, high efficiency, ultra-light weight, integratable and flexible optical systems. Current GO lenses are designed based on the Fresnel diffraction model, which uses a paraxial approximation for low numerical aperture (NA) focusing process. Herein we develop a lens design method based on the Rayleigh-Sommerfeld (RS) diffraction theory that is able to unambiguously determine the radii of each ring without the optimization process for the first time. More importantly, the RS design method is able to accurately design GO lenses with arbitrary NA and focal length. Our design is experimentally confirmed by fabricating high NA GO lenses with both short and long focal lengths. Compared with the conventional Fresnel design methods, the differences in ring positions and the resulted focal length are up to 13.9% and 9.1%, respectively. Our method can be further applied to design high performance flat lenses of arbitrary materials given the NA and focal length requirements, including metasurfaces or other two-dimensional materials.
format	article
author	Cao Guiyuan Gan Xiaosong Lin Han Jia Baohua
author_facet	Cao Guiyuan Gan Xiaosong Lin Han Jia Baohua
author_sort	Cao Guiyuan
title	An accurate design of graphene oxide ultrathin flat lens based on Rayleigh-Sommerfeld theory
title_short	An accurate design of graphene oxide ultrathin flat lens based on Rayleigh-Sommerfeld theory
title_full	An accurate design of graphene oxide ultrathin flat lens based on Rayleigh-Sommerfeld theory
title_fullStr	An accurate design of graphene oxide ultrathin flat lens based on Rayleigh-Sommerfeld theory
title_full_unstemmed	An accurate design of graphene oxide ultrathin flat lens based on Rayleigh-Sommerfeld theory
title_sort	accurate design of graphene oxide ultrathin flat lens based on rayleigh-sommerfeld theory
publisher	Institue of Optics and Electronics, Chinese Academy of Sciences
publishDate	2018
url	https://doaj.org/article/97143e3c8a57483b8a1aad4bad7ab2e0
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An accurate design of graphene oxide ultrathin flat lens based on Rayleigh-Sommerfeld theory

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