Spiral Blade-Inspired Polarization-Insensitive X-band FSS for EMI Shielding Applications
This paper presents the design of an angularly stable, polarization-insensitive bandstop frequency selective surface (FSS) for X-band electromagnetic interference (EMI) shielding applications. The structure features metallic spiral blade-inspired elements enclosed within a ring frame, contributing t...
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| Other Authors: | , , , , |
| Published: |
2025
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| Online Access: | http://hdl.handle.net/11675/14515 https: |
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| Summary: | This paper presents the design of an angularly stable, polarization-insensitive bandstop frequency selective surface (FSS) for X-band electromagnetic interference (EMI) shielding applications. The structure features metallic spiral blade-inspired elements enclosed within a ring frame, contributing to its distinctive EM response. The FSS demonstrates bandstop characteristics within the frequency range of 8.73-11.05 GHz, resulting in a fractional bandwidth (FBW) of 23.45%. The bandstop characteristics are primarily governed by the dimensions of the ring and spiral blade elements, optimized through parametric analysis. Furthermore, the transmission performance is evaluated under oblique incidences, demonstrating angular and polarization stability up to a 60-degree angle of incidence for both horizontal (TE) and vertical (TM) polarizations. |
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