Combining the absorptive and radiative loss in metasurfaces for multi-spectral shaping of the electromagnetic scattering

The absorptive and radiative losses are two fundamental aspects of the electromagnetic responses, which are widely occurring in many different systems such as waveguides, solar cells and antennas. Here we proposed a metasurface to realize the control of the absorptive and radiative loss and to reduc...

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Bibliographic Details
Published in:Scientific reports 2016-02, Vol.6 (1), p.21462-21462, Article 21462
Main Authors: Pan, Wenbo, Huang, Cheng, Pu, Mingbo, Ma, Xiaoliang, Cui, Jianhua, Zhao, Bo, Luo, Xiangang
Format: Article
Language:English
Subjects:
639/624/399/1015
639/766/400/1103
Design
Humanities and Social Sciences
multidisciplinary
Polarization
Science
Solar cells
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Summary:The absorptive and radiative losses are two fundamental aspects of the electromagnetic responses, which are widely occurring in many different systems such as waveguides, solar cells and antennas. Here we proposed a metasurface to realize the control of the absorptive and radiative loss and to reduce the radar cross section (RCS) in multi-frequency bands. The anti-phase gradient and absorptive metasurfaces were designed that consists of metallic square patch and square loop structure inserted with resistors, acting as an phase gradient material in the X and Ku band, while behaving as an absorber in the S band. The simulation and experiment results verified the double-band, wideband and polarization-independent RCS reduction by the absorptive and anti-phase gradient metasurfaces.
ISSN:2045-2322
2045-2322
DOI:10.1038/srep21462