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. 2017 Feb 9;7:42283. doi: 10.1038/srep42283

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The RCSs in the specular reflection directions of the metasurface are simulated in frequency range from 5 to 60 GHz for both TE and TM polarizations. (a,c,e) Under 20° oblique incidence with azimuth angles of φ^inc = 0°, 45°, and 90°, respectively. (b,d,f) Under 40° wide angle incidence with azimuth angles of φ^inc = 0°, 45°, and 90°, respectively.