Design and demonstration of an underwater acoustic carpet cloak

Abstract The carpet cloak, which is designed to hide the objects placed on a reflecting surface, has become a topic of considerable interest. Inspired by those theoretical works, the experimental realization of acoustic carpet cloak in air host has been reported. However, due to the difficulty in ob...

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Autores principales:	Yafeng Bi, Han Jia, Wenjia Lu, Peifeng Ji, Jun Yang
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/293f56f334a34f9aa7f3a79cb16aa89a
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spelling	oai:doaj.org-article:293f56f334a34f9aa7f3a79cb16aa89a2021-12-02T11:52:30ZDesign and demonstration of an underwater acoustic carpet cloak10.1038/s41598-017-00779-42045-2322https://doaj.org/article/293f56f334a34f9aa7f3a79cb16aa89a2017-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-00779-4https://doaj.org/toc/2045-2322Abstract The carpet cloak, which is designed to hide the objects placed on a reflecting surface, has become a topic of considerable interest. Inspired by those theoretical works, the experimental realization of acoustic carpet cloak in air host has been reported. However, due to the difficulty in obtaining the unit cell in reality, the underwater carpet cloak still remains in simulation thus far. Here, we design and fabricate a realizable underwater acoustic carpet cloak. By introducing a scaling factor, the structure of the carpet cloak, which is comprised of layered brass plates, is greatly simplified at the cost of some impedance match. The experimental results demonstrate a good performance of the proposed carpet cloak in a wide frequency range. Our work paves the way for future applications in the practical underwater devices.Yafeng BiHan JiaWenjia LuPeifeng JiJun YangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-10 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Yafeng Bi Han Jia Wenjia Lu Peifeng Ji Jun Yang Design and demonstration of an underwater acoustic carpet cloak
description	Abstract The carpet cloak, which is designed to hide the objects placed on a reflecting surface, has become a topic of considerable interest. Inspired by those theoretical works, the experimental realization of acoustic carpet cloak in air host has been reported. However, due to the difficulty in obtaining the unit cell in reality, the underwater carpet cloak still remains in simulation thus far. Here, we design and fabricate a realizable underwater acoustic carpet cloak. By introducing a scaling factor, the structure of the carpet cloak, which is comprised of layered brass plates, is greatly simplified at the cost of some impedance match. The experimental results demonstrate a good performance of the proposed carpet cloak in a wide frequency range. Our work paves the way for future applications in the practical underwater devices.
format	article
author	Yafeng Bi Han Jia Wenjia Lu Peifeng Ji Jun Yang
author_facet	Yafeng Bi Han Jia Wenjia Lu Peifeng Ji Jun Yang
author_sort	Yafeng Bi
title	Design and demonstration of an underwater acoustic carpet cloak
title_short	Design and demonstration of an underwater acoustic carpet cloak
title_full	Design and demonstration of an underwater acoustic carpet cloak
title_fullStr	Design and demonstration of an underwater acoustic carpet cloak
title_full_unstemmed	Design and demonstration of an underwater acoustic carpet cloak
title_sort	design and demonstration of an underwater acoustic carpet cloak
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/293f56f334a34f9aa7f3a79cb16aa89a
work_keys_str_mv	AT yafengbi designanddemonstrationofanunderwateracousticcarpetcloak AT hanjia designanddemonstrationofanunderwateracousticcarpetcloak AT wenjialu designanddemonstrationofanunderwateracousticcarpetcloak AT peifengji designanddemonstrationofanunderwateracousticcarpetcloak AT junyang designanddemonstrationofanunderwateracousticcarpetcloak
_version_	1718395036275572736

Design and demonstration of an underwater acoustic carpet cloak

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