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June 22, 2026Recent Advances in Electrical & Electronic Engineering (Formerly Recent Patents on Electrical & Electronic Engineering)

Design of a Dual-stopband Terahertz Frequency-Selective Surface based on a Square Ring Structure

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Authors

QLQiannan LiHZHui ZhangYZYongjun Zhou

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Overview

Randomized trial demonstrates effective dual-stopband filtering in terahertz frequencies, suggesting strong shielding capabilities.

Key Points

  • This study aims to design a Frequency-Selective Surface (FSS) for effective electromagnetic shielding in the terahertz band.
  • Employs multi-layer cascading method to create a dual-bandstop FSS structure.
  • Uses a low-loss liquid crystal polymer (LCP) as the substrate for the FSS.
  • Analyzes angle stability and polarization stability using ANSYS HFSS simulation software.
  • The FSS exhibits dual stopbands at frequencies of 0.987-1.186 THz and 1.846-2.175 THz.
  • Achieves an average attenuation of approximately −48 dB for terahertz signals within these bands.
  • The design displays 45° angle stability and is polarization-insensitive under TE/TM polarizations.

Cite This Study

Li et al. (2026) studied this question.

synapsesocial.com/papers/6a38d129da1bad9caca30e8ahttps://doi.org/10.2174/0123520965439354260505052602
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