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Frontiers of Physics

ISSN 2095-0462

ISSN 2095-0470(Online)

CN 11-5994/O4

Postal Subscription Code 80-965

2018 Impact Factor: 2.483

Front. Phys.    2011, Vol. 6 Issue (1) : 65-69    https://doi.org/10.1007/s11467-010-0147-y
RESEARCH ARTICLE
Remote acoustic cloaks
Qiang SU (苏强), Bin LIU (刘斌), Ji-ping HUANG (黄吉平,)
Department of Physics, State Key Laboratory of Surface Physics, and Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Fudan University, Shanghai 200433, China
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Abstract

Due to the correspondence of the acoustic equations to Maxwell’s equations of one polarization in two dimensions, we exploit theoretically the acoustic counterpart of the recently proposed remote invisibility cloak. The cloak consists of a circular cylindrical core with designed bulk moduli, and an “anti-object” embedded inside a shell with anisotropic mass densities. The material parameters of the cloaking shells are obtained by using the coordinate transformation method. The essence of the new design of cloaks relies on the ability that the cloaked object is no longer deafened by the cloaking shell, which is verified by both the far-field and near-field full-wave finite-element imulations in two dimensions.

Keywords cloak      acoustics      finite-element simulations     
Corresponding Author(s): null,Email:jphuang@fudan.edu.cn   
Issue Date: 05 March 2011
 Cite this article:   
Bin LIU (刘斌),Ji-ping HUANG (黄吉平),Qiang SU (苏强). Remote acoustic cloaks[J]. Front. Phys. , 2011, 6(1): 65-69.
 URL:  
https://academic.hep.com.cn/fop/EN/10.1007/s11467-010-0147-y
https://academic.hep.com.cn/fop/EN/Y2011/V6/I1/65
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