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Open AccessArticle

Design of a Low Scattering Metasurface for Stealth Applications

School of Electronic and Information Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Department of Electrical Engineering, City University of Hong Kong, Hong Kong SAR 999077, China
Shenzhen Research School, Xi'an Jiaotong University, Shenzhen, Guangdong 518057, China
Guangdong Xi'an Jiaotong University Academy, Fushan, Guangdong 528300, China
Author to whom correspondence should be addressed.
Materials 2019, 12(18), 3031;
Received: 21 August 2019 / Revised: 16 September 2019 / Accepted: 17 September 2019 / Published: 18 September 2019
(This article belongs to the Section Structure Analysis and Characterization)
The design of a metasurface with low radar cross section (RCS) property is presented in this paper. The low scattering of the metasurface is achieved by applying the artificial magnetic conductor (AMC) unit cells in three different configurations. Two different AMC unit cells with an effective phase difference of 180 ± 37° are first designed to analyze the out of phase reflection in a wideband frequency range from 5.9 to 12.2 GHz. Then, the unit cells are placed in a chessboard-like configuration, newly constructed rotated rectangular-shaped configuration, and optimized configuration to study and compare the RCS reduction performance. All designs of the metasurface with different configurations show obvious RCS reduction as compared with the metallic plate of the same size. However, the relative bandwidth of the optimized metasurface is larger than the chessboard-like configuration and rotated rectangular-shaped configuration. To certify the results of the simulations, the metasurface with the optimized configuration is fabricated further to measure the RCS reduction bandwidth. The measured results are in good accordance with the simulated results. Therefore, the proposed metasurface can be a good option for applications where low RCS is desirable. View Full-Text
Keywords: metasurface; metamaterial; radar cross section (RCS) metasurface; metamaterial; radar cross section (RCS)
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Khan, T.A.; Li, J.; Chen, J.; Raza, M.U.; Zhang, A. Design of a Low Scattering Metasurface for Stealth Applications. Materials 2019, 12, 3031.

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