Multi-Band Analogue Electromagnetically Induced Transparency in DoubleTuned Metamaterials

A multi-band analogue electromagnetically induced transparency (A-EIT) metamaterial is proposed. The structure is composed of liquid crystal (LC) layer and a graphene strips layer on both sides of silicon dioxide. The transmission spectrum and electric field distribution of only one graphene strip a...

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Autores principales:	Wei Huang, Ningye He, Renxia Ning, Zhenhai Chen
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	analogue electromagnetically induced transparency multi-band tuned graphene liquid crystal Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/e1fc7d1fe6cd45ad8cb1e459a87a5584
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spelling	oai:doaj.org-article:e1fc7d1fe6cd45ad8cb1e459a87a55842021-11-25T18:29:51ZMulti-Band Analogue Electromagnetically Induced Transparency in DoubleTuned Metamaterials10.3390/nano111127932079-4991https://doaj.org/article/e1fc7d1fe6cd45ad8cb1e459a87a55842021-10-01T00:00:00Zhttps://www.mdpi.com/2079-4991/11/11/2793https://doaj.org/toc/2079-4991A multi-band analogue electromagnetically induced transparency (A-EIT) metamaterial is proposed. The structure is composed of liquid crystal (LC) layer and a graphene strips layer on both sides of silicon dioxide. The transmission spectrum and electric field distribution of only one graphene strip and two graphene strips have been studied. As a bright mode, the graphene strip is coupled with adjacent graphene strip to realize the A-EIT effect. When multiple graphene strips are coupled with each other, the multi-band A-EIT is obtained due to the electric dipole resonances of the four strips. The results show that the multiband A-EIT effect can be tuned by voltage on LC and graphene layer, respectively. Moreover, changing the incident angle of the electromagnetic wave has had little influence on the transmission window in the low frequency band, it is meaning that the A-EIT effect with insensitive to the incident angle can be obtained. Each transmission window has a high maximum transmittance and figure of merit (FOM). The multi-band A-EIT effect can widen the application on sensor and optical storage devices.Wei HuangNingye HeRenxia NingZhenhai ChenMDPI AGarticleanalogue electromagnetically induced transparencymulti-bandtunedgrapheneliquid crystalChemistryQD1-999ENNanomaterials, Vol 11, Iss 2793, p 2793 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	analogue electromagnetically induced transparency multi-band tuned graphene liquid crystal Chemistry QD1-999
spellingShingle	analogue electromagnetically induced transparency multi-band tuned graphene liquid crystal Chemistry QD1-999 Wei Huang Ningye He Renxia Ning Zhenhai Chen Multi-Band Analogue Electromagnetically Induced Transparency in DoubleTuned Metamaterials
description	A multi-band analogue electromagnetically induced transparency (A-EIT) metamaterial is proposed. The structure is composed of liquid crystal (LC) layer and a graphene strips layer on both sides of silicon dioxide. The transmission spectrum and electric field distribution of only one graphene strip and two graphene strips have been studied. As a bright mode, the graphene strip is coupled with adjacent graphene strip to realize the A-EIT effect. When multiple graphene strips are coupled with each other, the multi-band A-EIT is obtained due to the electric dipole resonances of the four strips. The results show that the multiband A-EIT effect can be tuned by voltage on LC and graphene layer, respectively. Moreover, changing the incident angle of the electromagnetic wave has had little influence on the transmission window in the low frequency band, it is meaning that the A-EIT effect with insensitive to the incident angle can be obtained. Each transmission window has a high maximum transmittance and figure of merit (FOM). The multi-band A-EIT effect can widen the application on sensor and optical storage devices.
format	article
author	Wei Huang Ningye He Renxia Ning Zhenhai Chen
author_facet	Wei Huang Ningye He Renxia Ning Zhenhai Chen
author_sort	Wei Huang
title	Multi-Band Analogue Electromagnetically Induced Transparency in DoubleTuned Metamaterials
title_short	Multi-Band Analogue Electromagnetically Induced Transparency in DoubleTuned Metamaterials
title_full	Multi-Band Analogue Electromagnetically Induced Transparency in DoubleTuned Metamaterials
title_fullStr	Multi-Band Analogue Electromagnetically Induced Transparency in DoubleTuned Metamaterials
title_full_unstemmed	Multi-Band Analogue Electromagnetically Induced Transparency in DoubleTuned Metamaterials
title_sort	multi-band analogue electromagnetically induced transparency in doubletuned metamaterials
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/e1fc7d1fe6cd45ad8cb1e459a87a5584
work_keys_str_mv	AT weihuang multibandanalogueelectromagneticallyinducedtransparencyindoubletunedmetamaterials AT ningyehe multibandanalogueelectromagneticallyinducedtransparencyindoubletunedmetamaterials AT renxianing multibandanalogueelectromagneticallyinducedtransparencyindoubletunedmetamaterials AT zhenhaichen multibandanalogueelectromagneticallyinducedtransparencyindoubletunedmetamaterials
_version_	1718411108679680000

Multi-Band Analogue Electromagnetically Induced Transparency in DoubleTuned Metamaterials

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