Ultrawideband reflection-type metasurface for generating integer and fractional orbital angular momentum

LJ Yang, S Sun, EI Wei - IEEE Transactions on Antennas and …, 2019 - ieeexplore.ieee.org
Vortex beams carrying orbital angular momentum (OAM) are extensively studied owing to its
potential to expand channel capacity of microwave and optical communication. By utilizing …

[HTML][HTML] Equivalent circuit-assisted multi-objective particle swarm optimization for accelerated reverse design of multi-layer frequency selective surface

Y Pan, J Dong, M Wang - Nanomaterials, 2022 - mdpi.com
In this paper, a fast reverse design method of multi-layer frequency selective surface (FSS)
based on the equivalent circuit (EC)-assisted multi-objective particle swarm optimization …

Polarization-insensitive triband fss for rf shielding at normal and higher temperatures by retrofitting on ordinary glass windows

U Farooq, MF Shafique, A Iftikhar… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
A comprehensive novel framework for retrofitting frequency-selective surface (FSS) shields
to any glass surface using low-cost copper foils has been proposed in this work. The …

An optically transparent dual-band frequency selective surface for polarization independent RF shielding

U Farooq, A Iftikhar, AI Najam, SA Khan… - Optics …, 2023 - Elsevier
This article reports on a compact dual band, Frequency Selective Surface (FSS) based
spatial filter for Wi-Fi and WLAN shielding applications on a transparent glass surface with …

A miniaturized and polarization insensitive FSS and CFSS for dual band WLAN applications

U Farooq, A Iftikhar, MF Shafique, MJ Mughal - AEU-International Journal of …, 2019 - Elsevier
This article reports on a dual band, polarization insensitive Frequency Selective Surface
(FSS) for Wi-Fi and WLAN shielding applications. The design incorporates concentric …

Optimal LTE-protected LPDA design for DVB-T reception using particle swarm optimization with velocity mutation

ZD Zaharis, IP Gravas, PI Lazaridis… - … on Antennas and …, 2018 - ieeexplore.ieee.org
A near-optimal design of a log-periodic dipole array (LPDA), suitable for digital video
broadcasting-terrestrial (DVB-T) reception (470-790 MHz), is presented. The LPDA is …

Hybrid ECM blended whale optimization derived frequency-selective conformal EMI shielding structure using ferrite substrate

V Chaudhary, R Panwar - IEEE Transactions on Magnetics, 2021 - ieeexplore.ieee.org
In this work, both planar and conformal novel electromagnetic interference (EMI) shielding
structures with customized properties are developed using a unique coupling of frequency …

Novel, straightforward procedure to design square loop frequency selective surfaces based on equivalent circuit model

A Firouzfar, M Afsahi, AA Orouji - AEU-International Journal of Electronics …, 2020 - Elsevier
A new procedure to synthesis three unknown dimensions of a square loop frequency
selective surface SL-FSS (periodicity, width and the gap between loops) is presented. SL …

Novel synthesis formulas to design square patch frequency selective surface absorber based on equivalent circuit model

A Firouzfar, M Afsahi, AA Orouji - International Journal of RF …, 2019 - Wiley Online Library
A new procedure is presented to design electromagnetic absorbers based on resistive
square patch frequency selective surface (FSS) over grounded dielectric. The periodicity (p) …

Probe-fed wideband AMC-integrated hexagonal antenna with uniform gain characteristics for WLAN applications

A Joshi, R Singhal - Wireless Networks, 2020 - Springer
Demand of antennas those possess wide radiation bandwidth while operating in S-band for
wireless communication systems is increasing day by day. Thick substrates are popular …