Metasurfaced Reverberation Chamber

Abstract The concept of metasurfaced reverberation chamber (RC) is introduced in this paper. It is shown that by coating the chamber wall with a rotating 1-bit random coding metasurface, it is possible to enlarge the test zone of the RC while maintaining the field uniformity as good as that in a tra...

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Autores principales:	Hengyi Sun, Zhuo Li, Changqing Gu, Qian Xu, Xinlei Chen, Yunhe Sun, Shengchen Lu, Ferran Martin
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/b6b86353ab374510be20b021eef15d4a
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spelling	oai:doaj.org-article:b6b86353ab374510be20b021eef15d4a2021-12-02T15:08:22ZMetasurfaced Reverberation Chamber10.1038/s41598-018-20066-02045-2322https://doaj.org/article/b6b86353ab374510be20b021eef15d4a2018-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-20066-0https://doaj.org/toc/2045-2322Abstract The concept of metasurfaced reverberation chamber (RC) is introduced in this paper. It is shown that by coating the chamber wall with a rotating 1-bit random coding metasurface, it is possible to enlarge the test zone of the RC while maintaining the field uniformity as good as that in a traditional RC with mechanical stirrers. A 1-bit random coding diffusion metasurface is designed to obtain all-direction backscattering under normal incidence. Three specific cases are studied for comparisons, including a (traditional) mechanical stirrer RC, a mechanical stirrer RC with a fixed diffusion metasurface, and a RC with a rotating diffusion metasurface. Simulation results show that the compact rotating diffusion metasurface can act as a stirrer with good stirring efficiency. By using such rotating diffusion metasurface, the test region of the RC can be greatly extended.Hengyi SunZhuo LiChangqing GuQian XuXinlei ChenYunhe SunShengchen LuFerran MartinNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-10 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Hengyi Sun Zhuo Li Changqing Gu Qian Xu Xinlei Chen Yunhe Sun Shengchen Lu Ferran Martin Metasurfaced Reverberation Chamber
description	Abstract The concept of metasurfaced reverberation chamber (RC) is introduced in this paper. It is shown that by coating the chamber wall with a rotating 1-bit random coding metasurface, it is possible to enlarge the test zone of the RC while maintaining the field uniformity as good as that in a traditional RC with mechanical stirrers. A 1-bit random coding diffusion metasurface is designed to obtain all-direction backscattering under normal incidence. Three specific cases are studied for comparisons, including a (traditional) mechanical stirrer RC, a mechanical stirrer RC with a fixed diffusion metasurface, and a RC with a rotating diffusion metasurface. Simulation results show that the compact rotating diffusion metasurface can act as a stirrer with good stirring efficiency. By using such rotating diffusion metasurface, the test region of the RC can be greatly extended.
format	article
author	Hengyi Sun Zhuo Li Changqing Gu Qian Xu Xinlei Chen Yunhe Sun Shengchen Lu Ferran Martin
author_facet	Hengyi Sun Zhuo Li Changqing Gu Qian Xu Xinlei Chen Yunhe Sun Shengchen Lu Ferran Martin
author_sort	Hengyi Sun
title	Metasurfaced Reverberation Chamber
title_short	Metasurfaced Reverberation Chamber
title_full	Metasurfaced Reverberation Chamber
title_fullStr	Metasurfaced Reverberation Chamber
title_full_unstemmed	Metasurfaced Reverberation Chamber
title_sort	metasurfaced reverberation chamber
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/b6b86353ab374510be20b021eef15d4a
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_version_	1718388207689662464

Metasurfaced Reverberation Chamber

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