A Miniaturized Flexible Frequency Selective Surface for X-Band Applications

Nauman, Mudassar; Saleem, Rashid; Rashid, Amir; Shafique, Muhammad Farhan

doi:10.1109/temc.2015.2508503

Cited by 117 publications

(61 citation statements)

References 34 publications

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“…As observed in Figure 2C, simulated SE of both HFSS ® and ADS ® is not less than 43 dB, and more importantly, has a wideband response. SE can also be expressed as Equation [1,3]…”

Section: Shielding Effectiveness (Se)mentioning

confidence: 99%

“…1,2 They may be categorizes as grid type or patch type periodic structures, having a band-pass or band-stop filter response. 3 Recent research trends lay emphasis on FSSs due to their various potential applications in microwave communication. FSSs find their employability in satellite communication services, 4 antenna radomes, radar cross section (RCS) reduction, 5 and many others.…”

Section: Introductionmentioning

confidence: 99%

“…In Ref. [3], conformal and planar configurations of convoluted square loop (CSL) are reported. The CSL achieves 40 dB shielding effectiveness on FR-4.…”

Section: Introductionmentioning

confidence: 99%

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A novel miniaturized FSS based electromagnetic shield for SATCOM applications

Bilal

Saleem

Shabbir

et al. 2017

Microw. Opt. Technol. Lett.

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A miniaturized frequency selective surface (FSS) based electromagnetic shield having wide band response is presented in this paper. A novel square FSS (SFSS) is designed and optimized over a single-layer dielectric and achieves electromagnetic shielding for SATCOM in X-band. This SFSS also achieves a stable frequency response at normal and oblique angles of incidences in both TE and TM wave modes. Simulated and measured results verify shielding effectiveness of the proposed FSS over a wide band. K E Y W O R D S band-stop response, electromagnetic interference (EMI), electromagnetic shielding, frequency selective surface (FSS), polarization independent

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“…As observed in Figure 2C, simulated SE of both HFSS ® and ADS ® is not less than 43 dB, and more importantly, has a wideband response. SE can also be expressed as Equation [1,3]…”

Section: Shielding Effectiveness (Se)mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

A novel miniaturized FSS based electromagnetic shield for SATCOM applications

Bilal

Saleem

Shabbir

et al. 2017

Microw. Opt. Technol. Lett.

Self Cite

View full text Add to dashboard Cite

show abstract

“… and . This trend has also encouraged the research work on conformal FSS sheets which can be used to shield non‐planar objects …”

Section: Introductionmentioning

confidence: 99%

“…This trend has also encouraged the research work on conformal FSS sheets which can be used to shield non-planar objects. 9 The fundamental limitation of FSS is the geometry and size of unit elements. In addition to that it is challenging to incorporate suppression of more than one band in a single unit element.…”

Section: Introductionmentioning

confidence: 99%

A compact band‐stop frequency selective surface for dual band Wi‐Fi applications

Ali

Riaz

Naeem

et al. 2017

Micro & Optical Tech Letters

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This article presents a compact frequency selective surface (FSS) design which is capable of rejecting both bands of Wi‐Fi. The proposed design is evolved from a patch‐slot topology and it is investigated that the patch‐slot architecture is unstable for oblique incident waves, therefore, a number of geometrical modifications have been proposed to ensure the band stability at different incident angles. The slot geometry is modified by inductive loading and extending the slot length. The modified unit element of FSS is 0.38 λ0 at higher frequency band. Fabricated prototypes have been measured for their transmission response at incident angles upto 30° and good agreement has been observed between simulated and measured results. The proposed FSS is suitable for shielding applications and for limiting the coverage area of wireless access‐point.

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3D Flexible Frequency Selective Surface with Stable Electromagnetic Transmission Properties

Fan

Pan

Chen

et al. 2022

Adv Materials Technologies

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Frequency selective surfaces (FSS) that can be tightly laminated to complex nondevelopable surfaces have a wide range of applications in many engineering areas. This paper presents a 3D flexible FSS prepared by mechanically guided 3D assembly, capable of being conformally adhered to complex surfaces, while maintaining stable frequency selective properties as well as transmission performance. The stretching strain applied to the prestrained ecoflex substrate can precisely tune and control the buckled 3D metal structures, which leads to the stretchability of the flexible FSS, introduces the increase of the inductance inside the metal cells, and expands the metal gap resulting in a reduction of the capacitance between the unit cells. The mutual correlation of capacitance and inductance ensures in the mechanism that the FSS transmission characteristics will not be significantly affected by the applied strain, as verified by calculations using the equivalent circuit method. Both the results obtained by the experiments and simulations indicate that the resonant frequency of the 3D flexible FSS is 5.7 GHz and the bandwidth at −10 dB is 0.94 GHz, while the resonant frequency shift will not exceed 0.45 Hz, and −10 dB bandwidth change will not exceed 0.32 GHz with applied strain of 17.8% in the ecoflex substrate. At the same time, the 3D flexible FSS maintains stable transmission performance for oblique incidence, with only 0.5 GHz frequency shift at 45° incidence. This stretchable flexible FSS with stable electromagnetic (EM) properties may find potential applications in EM shielding and spatial filtering due to its high flexibility, ready applicability, and cost‐effectiveness.

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A Miniaturized Flexible Frequency Selective Surface for X-Band Applications

Cited by 117 publications

References 34 publications

A novel miniaturized FSS based electromagnetic shield for SATCOM applications

A novel miniaturized FSS based electromagnetic shield for SATCOM applications

A compact band‐stop frequency selective surface for dual band Wi‐Fi applications

3D Flexible Frequency Selective Surface with Stable Electromagnetic Transmission Properties

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