A Single-Layer Frequency-Selective Surface for Ultrawideband Electromagnetic Shielding

2014 ◽  
Vol 56 (6) ◽  
pp. 1404-1411 ◽  
Author(s):  
Irfan Sohail Syed ◽  
Yogesh Ranga ◽  
Ladislau Matekovits ◽  
Karu P. Esselle ◽  
Stuart G. Hay
Keyword(s):  
Single Layer ◽  
Frequency Selective Surface ◽  
Electromagnetic Shielding ◽  
Frequency Selective

A Tri-band Angularly Stable Frequency Selective Surface with Controllable Resonances for EM Shielding

Frequenz ◽  
2020 ◽  
Vol 74 (1-2) ◽  
pp. 25-31 ◽  
Author(s):  
Fei Wang
Keyword(s):  
Layer Structure ◽  
Equivalent Circuit Model ◽  
Single Layer ◽  
Frequency Selective Surface ◽  
Electromagnetic Shielding ◽  
Low Profile ◽  
Stable Frequency ◽  
Simulation Results ◽  
Frequency Selective ◽  
The Operating Mechanism

AbstractIn the paper, a tri-band angularly stable frequency selective surface (FSS) with controllable resonances for electromagnetic shielding is proposed. Different from traditional single-layer structure, the FSS proposed is based on cascaded structure that creates three adjustable blocking bands around frequency 5.93 GHz, 7.33 GHz and 9.17 GHz, respectively. The designed FSS has a low profile with thickness of λ0/100, where the λ0 represents wavelength of the first band-stop resonance frequency. Besides, the proposed FSS exhibits stable frequency response up to 70° with respect to different polarizations. Therefore, this FSS is flexible and can be used in electromagnetic shielding field where needs conformal screen. To investigate and understand the operating mechanism better, a equivalent circuit model (ECM) is deduced and given in the Section 2, the calculated results match the full-wave EM simulation results perfectly. Finally, a prototype of this FSS is fabricated and measured, the measurement results are in accordance with the simulation results.

Dual‐band single‐layer quarter ring frequency selective surface for Wi‐Fi applications

2016 ◽  
Vol 10 (4) ◽  
pp. 435-441 ◽  
Author(s):  
David Ferreira ◽  
Iñigo Cuiñas ◽  
Rafael F.S. Caldeirinha ◽  
Telmo R. Fernandes
Keyword(s):  
Single Layer ◽  
Frequency Selective Surface ◽  
Dual Band ◽  
Frequency Selective ◽  
Ring Frequency

A Single Layer UWB Frequency Selective Surface for Shielding Application

2020 ◽  
Vol 49 (8) ◽  
pp. 4794-4800
Author(s):  
D. Kanchana ◽  
S. Radha ◽  
B. S. Sreeja ◽  
E. Manikandan
Keyword(s):  
Single Layer ◽  
Frequency Selective Surface ◽  
Frequency Selective

Novel Dual-Band Miniaturized Frequency Selective Surface based on Fractal Structures

Frequenz ◽  
2017 ◽  
Vol 71 (1-2) ◽  
pp. 57-63 ◽  
Author(s):  
Tao Zhong ◽  
Hou Zhang ◽  
Rui Wu ◽  
Xueliang Min
Keyword(s):  
Resonant Frequency ◽  
Free Space ◽  
Single Layer ◽  
Frequency Selective Surface ◽  
Anechoic Chamber ◽  
Dual Band ◽  
Fractal Structures ◽  
Frequency Selective ◽  
Good Agreement

Abstract A novel single-layer dual-band miniaturized frequency selective surface (FSS) based on fractal structures is proposed and analyzed in this paper. A prototype with enough dimensions is fabricated and measured in anechoic chamber, and the measured results provide good agreement with the simulated. The simulations and measurements indicate that the dual-band FSS with bandstop selectivity center at 3.95 GHz and 7.10 GHz, and the whole dimension of the proposed FSS cell is only 7×7 mm2, amount to 0.092λ0×0.092λ0, that λ0 is free space wavelength at first resonant frequency. In addition, the center frequencies have scarcely any changes for different polarizations and incidences. What’s more, dual-band mechanism is analyzed clearly and it provides a new way to design novel miniaturized FSS structures.

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