一种宽带反射超表面设计

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Abstract In this paper, we propose a “[]” shaped unit. The reflection phase of an electromagnetic wave can be changed when changing the size of a cell. Ten units of different sizes are selected after optimization in order to form a metasurface. Under the condition of vertical incidence of the TE wave, the phenomene of abnormal reflection of -30°deflection of the reflected wave is observed at the frequency point, and for the reflected waves at several other frequencys in X-band, there appears obvious abnormal reflection phenomenon, which indicates that the metasurface designed has broadband characteristics. In this paper, we give a metasurface with phase gradient on X and Y axes. From the simulation results, it can be seen that the reflected wave is deflected by 30 degrees along the -X and -Y axis directions. Finally, the back RCS of the metasurface is observed, and the RCS of the designed metasurface is 5~10dB lower than that of the metal plate with the same size, which shows that the metasurface has a characteristic of low scattering.

Key words： generalized snell's law metasurface abnormal reflection low scattering

Published: 06 December 2017

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	Articles by authors
	Chen Zhaobin
	Deng Yongqiang
	Liu Chen

Cite this article:

Chen Zhaobin,Deng Yongqiang,Liu Chen. The Ultra-wideband Reflection Metasurface Design[J]. Electrical Engineering, 2017, 18(11): 12-17.

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http://dqjs.cesmedia.cn/EN/Y2017/V18/I11/12

[1] Huang Lingling, Chen Xianzhong, Muehlenbernd H, et al. Dispersionless phase discontinuities for controlling light propagation[J]. Nano Letters, 2012, 12(11): 5750- 5755.
[2] He Jingwen, Wang Xinke, Hu Dan, et al. Generation and evolution of the terahertz vortex beam[J]. Optics Express, 2013, 21(17): 20230-20239.
[3] Yu Nanfang, Genevet P, Kats MA, et al. Light propagation with phase discontinuities: generalized laws of reflection and refraction[J]. Science (New York, N.Y.), 2011, 334(654): 333-337.
[4] Chen H Y, Wang J F, Ma H, et al. Design and experimental investigation on reflective metasurface based on split-ring resonator. Journal of Microwaves[J]. 2014, 30(3): 1-4.
[5] Wei Z Y, Can Y, Su X P, et al. Highly efficient beam steering with a transparent metasurface. Opt Express[J]. 2013, 21: 10739-10745.
[6] F Aieta PG, F. Capasso, aberration free ultrathin flat lenses and axicons at telecom wavelengths based on plasmonic metasurfaces[J]. Nano Letters, 2012, 12(9): 4932-4936.
[7] Pors A, Nielsen M G, Bozhevolnyi S I. Broadband plasmonic half-wave plates in reflection[J]. Optics Letters, 2013, 38(4): 513-515.
[8] Sun S, Yang K Y, Wang C M, et al. High-efficiency broadband anomalous reflection by gradient metasur- faces[J]. Nano Letters, 2012, 12(12): 6223-6229.
[9] Sun Shulin, He Qiong, Xiao Shiyi, et al. Gradient- index meta-surfaces as a bridge linking propagating waves and surface waves[J]. Nature Materials, 2012, 11(5): 426-431.
[10] Zhu H, Cheung S, Yuk T. Using small metasurface lens for antenna gain echancement[C]//and Propagation &
USNC/URSI National Radio Science Meeting, 2015: 864-865.
[11] Zhang Yin, Liang Lanju, Yang Jing, et al. Broadband diffuse terahertz wave scattering by flexible metasur- face with randomized phase distribution[J]. Scientific Reports, 2016(6): 26875.
[12] X. Ni, A. V. Kildishev and V. M. Shalaev, Metasurface holograms for visible light[J]. Nature Communications, 2013, 4.
[13] Li Sijia, Cao Xiangyu, Xu Liming, et al. Ultra- broadband Reflective Metamaterial with RCS Reduction based on Polarization Convertor, Information Entropy Theory and Genetic Optimization Algorithm[J]. Scientific Reports, 2016(6): 37409.