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Application of cylindrical IE-GSTC to physical metasurfaces

Author

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  • Srikumar Sandeep
  • Albin Gasiewski
  • Andrew F. Peterson

Abstract

The cylindrical Integral Equation -- Generalized Sheet Transition Condition (IE-GSTC) is validated by applying it to physical metasurfaces, i.e. metasurfaces defined by material properties and dimensions rather than by susceptibility tensor components. The previously reported IE-GSTC, which was formulated for zero thickness GSTC discontinuities, is extended to handle the finite thickness of physical metasurfaces. A simple analytical approach is used to extract the bianisotropic susceptibility tensor of concentric, multilayered, magneto-dielectric shells. Plane wave scattering by a physical metasurface constructed of four segments of multilayered, magneto-dielectric metasurface scatterers is used as an example problem to validate cylindrical IE-GSTC. A second example considers an opening on the cylindrical metasurface, confirming IE-GSTC can handle metasurfaces with openings. Third example is that of plane wave scattering by an eight segment metasurface. Good agreement is obtained between IE-GSTC results and full wave simulation results for all the cases. The paper concludes with a novel technique to handle PEC segments embedded in a cylindrical metasurface.

Suggested Citation

  • Srikumar Sandeep & Albin Gasiewski & Andrew F. Peterson, 2023. "Application of cylindrical IE-GSTC to physical metasurfaces," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 37(14), pages 1162-1186, September.
    • Handle: RePEc:taf:tewaxx:v:37:y:2023:i:14:p:1162-1186
    DOI: 10.1080/09205071.2023.2227624
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