A Frequency Selective Surface With Miniaturized Elements

Sarabandi, Kamal; Behdad, Nader

doi:10.1109/tap.2007.895567

Cited by 537 publications

(260 citation statements)

References 16 publications

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“…This is in contrast to the metamaterial interfaces reported earlier, which necessarily incurred reflection due to their exclusively electric response and produced two refracted beams: an ordinary beam in addition to the anomalous beam. An alternative method that efficiently manipulates a wave front involves stacking multiple layers of frequency selective surfaces [20][21][22][23][24]. However, a typical structure requires seven layers to realize full 360 phase coverage.…”

mentioning

confidence: 99%

Wave-Shaping Surfaces

Alù¹

2013

Physics

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Huygens' principle is a well-known concept in electromagnetics that dates back to 1690. Here, it is applied to develop designer surfaces that provide extreme control of electromagnetic wave fronts across electrically thin layers. These reflectionless surfaces, referred to as metamaterial Huygens' surfaces, provide new beam shaping, steering, and focusing capabilities. The metamaterial Huygens' surfaces are realized with two-dimensional arrays of polarizable particles that provide both electric and magnetic polarization currents to generate prescribed wave fronts. A straightforward design methodology is demonstrated and applied to develop a beam-refracting surface and a Gaussian-to-Bessel beam transformer. Metamaterial Huygens' surfaces could find a wide range of applications over the entire electromagnetic spectrum including single-surface lenses, polarization controlling devices, stealth technologies, and perfect absorbers.

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confidence: 99%

Wave-Shaping Surfaces

Alù¹

2013

Physics

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“…The effect of the dielectric is negligible on the inductance [16,22]. The sub-dominant components of the circuit, namely C dipole and L slot can be estimated by adding the further Babinet's condition…”

Section: Dipole-slot-dipole Mtssmentioning

confidence: 99%

Dipole‐slot‐dipole metasurfaces

Bukhari

Whittow

Vardaxoglou

et al. 2016

IET Microwaves, Antennas & Propagation

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A complementary frequency selective surface (CFSS) can be formed on the basis of Babinet's principle. It consists of an array of slots separated from an array of dipoles by a thin dielectric substrate. This study shows that by adding an extra layer of dipoles to a CFSS capacitance can be added to the structure, which leads to a decrease in its resonant frequency. This new structure is called a dipole-slot-dipole metasurface (MTS) and it has unit-cell dimensions of l/10 × l/10 × l/333, where l is representing the free space wavelength. The dipole-slot-dipole MTS has been fabricated and measured. The study also reports on its equivalent circuit; and the effects of the length of the dipoles on the added layer and their alignment on the pass band resonant frequency of the dipole-slot-dipole MTS.

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“…An Ultra Wideband (UWB) FSS can be designed using multilayer loop type FSS [12]. The analysis of loop type FSS has also been done using different approaches [13][14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

Design and Analysis of New Compact Uwb Frequency Selective Surface and Its Equivalent Circuit

Kushwaha¹,

Kumar²,

Krishna³

et al. 2014

PIER C

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Abstract-A compact, low profile, dual polarized, ultra wideband, frequency selective surface is proposed. It is designed by using two similar metallic array structures separated by dielectric material FR4. The simulated reflection bandwidth (with transmission < −20 dB) for TE incident wave is 8 GHz from 2.87 GHz to 10.87 GHz corresponds to 116%. The unit cell dimension and periodicity are of the order of 0.37λ at the centre frequency. The overall thickness of the proposed FSS is 1.8 mm.The proposed FSS has higher order of band-stop response and good angular stability. The measured transmission response of FSS is very close to simulated response. Design expressions for the resonance frequencies are proposed, and the calculated results are found to be in good agreement with the simulated ones. Finally, a parametric analysis of the proposed FSS is presented.

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A Frequency Selective Surface With Miniaturized Elements

Cited by 537 publications

References 16 publications

Wave-Shaping Surfaces

Wave-Shaping Surfaces

Dipole‐slot‐dipole metasurfaces

Design and Analysis of New Compact Uwb Frequency Selective Surface and Its Equivalent Circuit

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