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Broadband and broad-angle low-scattering metasurface based on hybrid optimization algorithm.

Wang K, Zhao J, Cheng Q, Dong DS, Cui TJ - Sci Rep (2014)

Bottom Line: A broadband and broad-angle low-scattering metasurface is designed, fabricated, and characterized.Based on the optimization algorithm and far-field scattering pattern analysis, we propose a rapid and efficient method to design metasurfaces, which avoids the large amount of time-consuming electromagnetic simulations.Full-wave simulation and measurement results show that the proposed metasurface is insensitive to the polarization of incident waves, and presents good scattering-reduction properties for oblique incident waves.

View Article: PubMed Central - PubMed

Affiliation: State Key Laboratory of Millimeter Waves, Department of Radio Engineering Southeast University, Nanjing 210096, P. R. China.

ABSTRACT
A broadband and broad-angle low-scattering metasurface is designed, fabricated, and characterized. Based on the optimization algorithm and far-field scattering pattern analysis, we propose a rapid and efficient method to design metasurfaces, which avoids the large amount of time-consuming electromagnetic simulations. Full-wave simulation and measurement results show that the proposed metasurface is insensitive to the polarization of incident waves, and presents good scattering-reduction properties for oblique incident waves.

No MeSH data available.


(a) Far-field scattering pattern (φ = 0°) from numerical simulation (by FEKO) and far-field scattering pattern analysis, (b) simulated RCS reduction for normal incidence from 6 GHz to 14 GHz.
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f5: (a) Far-field scattering pattern (φ = 0°) from numerical simulation (by FEKO) and far-field scattering pattern analysis, (b) simulated RCS reduction for normal incidence from 6 GHz to 14 GHz.

Mentions: Fig. 5(a) shows the scattering pattern of the metasurface from full-wave simulations and far-field pattern prediction analysis. Both results seem to agree very well, which validates the whole design flow in Sec. 3. The RCS reduction for a bare metallic plate and the designed metasurface at different frequencies is illustrated in Fig. 5(b), where the RCS reduction is greater than 10 dB from 7 GHz to 13 GHz.


Broadband and broad-angle low-scattering metasurface based on hybrid optimization algorithm.

Wang K, Zhao J, Cheng Q, Dong DS, Cui TJ - Sci Rep (2014)

(a) Far-field scattering pattern (φ = 0°) from numerical simulation (by FEKO) and far-field scattering pattern analysis, (b) simulated RCS reduction for normal incidence from 6 GHz to 14 GHz.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4120860&req=5

f5: (a) Far-field scattering pattern (φ = 0°) from numerical simulation (by FEKO) and far-field scattering pattern analysis, (b) simulated RCS reduction for normal incidence from 6 GHz to 14 GHz.
Mentions: Fig. 5(a) shows the scattering pattern of the metasurface from full-wave simulations and far-field pattern prediction analysis. Both results seem to agree very well, which validates the whole design flow in Sec. 3. The RCS reduction for a bare metallic plate and the designed metasurface at different frequencies is illustrated in Fig. 5(b), where the RCS reduction is greater than 10 dB from 7 GHz to 13 GHz.

Bottom Line: A broadband and broad-angle low-scattering metasurface is designed, fabricated, and characterized.Based on the optimization algorithm and far-field scattering pattern analysis, we propose a rapid and efficient method to design metasurfaces, which avoids the large amount of time-consuming electromagnetic simulations.Full-wave simulation and measurement results show that the proposed metasurface is insensitive to the polarization of incident waves, and presents good scattering-reduction properties for oblique incident waves.

View Article: PubMed Central - PubMed

Affiliation: State Key Laboratory of Millimeter Waves, Department of Radio Engineering Southeast University, Nanjing 210096, P. R. China.

ABSTRACT
A broadband and broad-angle low-scattering metasurface is designed, fabricated, and characterized. Based on the optimization algorithm and far-field scattering pattern analysis, we propose a rapid and efficient method to design metasurfaces, which avoids the large amount of time-consuming electromagnetic simulations. Full-wave simulation and measurement results show that the proposed metasurface is insensitive to the polarization of incident waves, and presents good scattering-reduction properties for oblique incident waves.

No MeSH data available.