Molding of Reflection and Scattering from Uniform Walls Using Space-Periodic Metasurfaces

S. Kosulnikov, F. S. Cuesta, X. Wang, S. A. Tretyakov

Research output: Contribution to journalArticleScientificpeer-review

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Abstract

Active development is taking place in reconfigurable and static metasurfaces that control and optimize reflections. However, existing designs typically only optimize reflections from the metasurface panels, neglecting interference with reflections originating from supporting walls and nearby objects. In this study, we investigate how engineering the metasurface properties can modify the total scattering pattern, enabling the modification and optimization of reflections from significantly larger illuminated areas than the metasurface panel. To accomplish this, a general design approach is developed to create periodical metasurfaces with controlled reflection phase and amplitude for all propagating Floquet harmonics. By combining metasurface reflections with those from the surrounding walls, the total scattering can be manipulated. The study demonstrates how appropriately designed metasurfaces can modify reflections from surrounding walls, enhancing the functionalities of metasurfaces. These findings are intended to facilitate advancements in engineering and optimizing wave propagation channels, particularly for millimeter-wave communications.

Original languageEnglish
Pages (from-to)2992-2997
Number of pages6
JournalIEEE Transactions on Antennas and Propagation
Volume72
Issue number3
Early online date2024
DOIs
Publication statusPublished - 1 Mar 2024
MoE publication typeA1 Journal article-refereed

Keywords

  • Electromagnetic diffraction
  • Harmonic analysis
  • Impedance
  • Metasurfaces
  • Millimeter wave propagation
  • Optimization
  • Reflection
  • Scattering
  • Substrates
  • Surface impedance

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