The design of phase-modulation silicon all-dielectric coding metasurface in the S-band

Zhenkang Zhou; Huijuan Yu; Xujin Yuan; Weiduan Li

doi:10.1117/12.2641279

4 August 2022 The design of phase-modulation silicon all-dielectric coding metasurface in the S-band

Zhenkang Zhou, Huijuan Yu, Xujin Yuan, Weiduan Li

Proceedings Volume 12306, Second International Conference on Digital Signal and Computer Communications (DSCC 2022); 123061L (2022) https://doi.org/10.1117/12.2641279
Event: Second International Conference on Digital Signal and Computer Communications (DSCC 2022), 2022, Changchun, China

Abstract

Electromagnetic coding metasurface has become a research hotspot with its modulation capability brought by coding sequence in recent years. In this paper, we achieve the reduction of monostatic Radar Cross section (RCS) by the phasemodulation silicon all-dielectric random coding metasurface. The silicon all-dielectric units are designed and used to compose the 2-bit coding metasurface. To research the influence on scattering by coding sequences, a super unit composed of M×M (M=1,2,3,5) unit cells is taken as the coding element of realizing 2-D coding sequences. The number of -10dB lobes is proposed to measure the communication capacity of metasurface and the scattering entropy is similar index. According to them, it is proved that the coding metasurface consisted by 2×2 super units with random sequence is the best simulation result among four kinds of super unit cells, which can achieve -10dB RCS reduction in a frequency from 3GHz to 5GHz. We envision that our research is expected to be the potential candidates in RCS reduction and information communication.

Citation Download Citation

Zhenkang Zhou, Huijuan Yu, Xujin Yuan, and Weiduan Li "The design of phase-modulation silicon all-dielectric coding metasurface in the S-band", Proc. SPIE 12306, Second International Conference on Digital Signal and Computer Communications (DSCC 2022), 123061L (4 August 2022); https://doi.org/10.1117/12.2641279

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