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

Zhenkang Zhou, Huijuan Yu, Xujin Yuan*, Weiduan Li

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

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 phase-modulation 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.

Original languageEnglish
Title of host publicationSecond International Conference on Digital Signal and Computer Communications, DSCC 2022
EditorsSandeep Saxena
PublisherSPIE
ISBN (Electronic)9781510656734
DOIs
Publication statusPublished - 2022
Event2nd International Conference on Digital Signal and Computer Communications, DSCC 2022 - Changchun, China
Duration: 8 Apr 202210 Apr 2022

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume12306
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

Conference2nd International Conference on Digital Signal and Computer Communications, DSCC 2022
Country/TerritoryChina
CityChangchun
Period8/04/2210/04/22

Keywords

  • All-dielectric metasurface
  • Gradient phase
  • RCS reduction
  • Random coding
  • Scattering pattern modulation

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