Phase-tuning Metasurface for Circularly Polarized Broadside Radiation in Broadband

Abstract Metasurface antennas (MAs) have been proposed as innovative alternatives to conventional bulky configurations for satellite applications because of their low profile, low cost, and high gain. The general method of surface impedance modulation for designing MAs is complicated, and achieving...

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Autores principales:	Youfei Zhang, Haogang Wang, Dashuang Liao, Weijie Fu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/75a2797d1ddc47b3a60dc961ca893e0f
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spelling	oai:doaj.org-article:75a2797d1ddc47b3a60dc961ca893e0f2021-12-02T15:07:49ZPhase-tuning Metasurface for Circularly Polarized Broadside Radiation in Broadband10.1038/s41598-018-21393-y2045-2322https://doaj.org/article/75a2797d1ddc47b3a60dc961ca893e0f2018-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-21393-yhttps://doaj.org/toc/2045-2322Abstract Metasurface antennas (MAs) have been proposed as innovative alternatives to conventional bulky configurations for satellite applications because of their low profile, low cost, and high gain. The general method of surface impedance modulation for designing MAs is complicated, and achieving broad operation bandwidth remains a challenge because of its high dispersion response. We propose a novel and easy technique to control cylindrical surface waves radiated by a phase-tuning metasurface. Simultaneously, this technique exhibits a considerably wide working bandwidth. A detailed analysis of the radiation mechanism is discussed. A left-hand circularly polarized (LHCP) antenna and a right-hand circularly polarized (RHCP) antenna that are based on the phase-tuning metasurface are simulated and measured. The measured fractional 3-dB gain bandwidth and gain are higher than 17% and 15.57 dBi, respectively, which are consistent with the simulated results. Moreover, 30% 3-dB axial ratio is achieved for the LHCP and RHCP antennas. To the best knowledge of the authors, it is for the first time to realize a circularly polarized broadband MA by using the phase-tuning mechanism. The approach can be regarded as a new starting point for antenna design, thereby paving the way for the development of broadband and low-profile antennas for future satellite communication.Youfei ZhangHaogang WangDashuang LiaoWeijie FuNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-11 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Youfei Zhang Haogang Wang Dashuang Liao Weijie Fu Phase-tuning Metasurface for Circularly Polarized Broadside Radiation in Broadband
description	Abstract Metasurface antennas (MAs) have been proposed as innovative alternatives to conventional bulky configurations for satellite applications because of their low profile, low cost, and high gain. The general method of surface impedance modulation for designing MAs is complicated, and achieving broad operation bandwidth remains a challenge because of its high dispersion response. We propose a novel and easy technique to control cylindrical surface waves radiated by a phase-tuning metasurface. Simultaneously, this technique exhibits a considerably wide working bandwidth. A detailed analysis of the radiation mechanism is discussed. A left-hand circularly polarized (LHCP) antenna and a right-hand circularly polarized (RHCP) antenna that are based on the phase-tuning metasurface are simulated and measured. The measured fractional 3-dB gain bandwidth and gain are higher than 17% and 15.57 dBi, respectively, which are consistent with the simulated results. Moreover, 30% 3-dB axial ratio is achieved for the LHCP and RHCP antennas. To the best knowledge of the authors, it is for the first time to realize a circularly polarized broadband MA by using the phase-tuning mechanism. The approach can be regarded as a new starting point for antenna design, thereby paving the way for the development of broadband and low-profile antennas for future satellite communication.
format	article
author	Youfei Zhang Haogang Wang Dashuang Liao Weijie Fu
author_facet	Youfei Zhang Haogang Wang Dashuang Liao Weijie Fu
author_sort	Youfei Zhang
title	Phase-tuning Metasurface for Circularly Polarized Broadside Radiation in Broadband
title_short	Phase-tuning Metasurface for Circularly Polarized Broadside Radiation in Broadband
title_full	Phase-tuning Metasurface for Circularly Polarized Broadside Radiation in Broadband
title_fullStr	Phase-tuning Metasurface for Circularly Polarized Broadside Radiation in Broadband
title_full_unstemmed	Phase-tuning Metasurface for Circularly Polarized Broadside Radiation in Broadband
title_sort	phase-tuning metasurface for circularly polarized broadside radiation in broadband
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/75a2797d1ddc47b3a60dc961ca893e0f
work_keys_str_mv	AT youfeizhang phasetuningmetasurfaceforcircularlypolarizedbroadsideradiationinbroadband AT haogangwang phasetuningmetasurfaceforcircularlypolarizedbroadsideradiationinbroadband AT dashuangliao phasetuningmetasurfaceforcircularlypolarizedbroadsideradiationinbroadband AT weijiefu phasetuningmetasurfaceforcircularlypolarizedbroadsideradiationinbroadband
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Phase-tuning Metasurface for Circularly Polarized Broadside Radiation in Broadband

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