Broadband Low-RCS Metasurface and Its Application on Antenna

This paper presents a metasurface (MS) with broadband low radar cross section (RCS) and investigates its application on antenna. The MS is composed of polarization-dependent artificial magnetic conductors (PDAMCs) for backscattering cancellation. By orthogonally arranging the PDAMCs in a fencelike c...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2016-07, Vol.64 (7), p.2954-2962
Main Authors: Zhao, Yi, Cao, Xiangyu, Gao, Jun, Yao, Xu, Liu, Tao, Li, Wenqiang, Li, Sijia
Format: Article
Language:English
Subjects:
Antenna measurements
Backscatter
Broadband antennas
Broadband communication
Gain
metasurface (MS)
polarization-dependent artificial magnetic conductor (PDAMC)
Radar antennas
radar cross section (RCS)
slot antenna
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Summary:This paper presents a metasurface (MS) with broadband low radar cross section (RCS) and investigates its application on antenna. The MS is composed of polarization-dependent artificial magnetic conductors (PDAMCs) for backscattering cancellation. By orthogonally arranging the PDAMCs in a fencelike configuration, the scattering beam is deviated from specular direction, so that the MS achieves RCS reduction over a broad frequency band. As a potential application, the MS is employed to simultaneously promote the radiating and scattering performances of a slot antenna. Full wave simulations and measurements confirm that the novel antenna achieves broadband RCS reduction and significant gain enhancement compared with a reference antenna with metallic ground.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2016.2562665