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   Articles with "frequency selective" as a keyword



Flexible and Large‐Scale Liquid Metal Frequency‐Selective Surfaces: Enhanced Tuning through Mechanical Reconfiguration

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recommendations! Published in 2024 at "Advanced Engineering Materials"

DOI: 10.1002/adem.202401333

Abstract: The tuning capability is crucial for broadening the application possibilities of frequency‐selective surfaces (FSSs). Flexible and stretchable FSSs have attracted widespread research interest due to their ability for adhering to curved surfaces conformally and reconfiguring… read more here.

Keywords: liquid metal; frequency selective; metal; selective surfaces ... See more keywords

Low‐loss frequency selective surface for multi‐band THz transmission measurement

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recommendations! Published in 2020 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.32246

Abstract: Frequency selective surface is a key component in a quasi‐optical system enabling multi‐band operation. This work presents the design, fabrication and measurement of a low‐loss frequency selective surface in a quasi‐optical system for terahertz transmission… read more here.

Keywords: multi band; selective surface; frequency selective; measurement ... See more keywords

2.5D frequency selective surface with quasi‐elliptical bandpass response

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recommendations! Published in 2021 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.32798

Abstract: In this article, a via‐based 2.5‐dimensional (2.5D) frequency selective surface (FSS) is proposed to realize a quasi‐elliptical bandpass response with high frequency selectivity. Each FSS element is composed of two parts. Part A is a… read more here.

Keywords: quasi elliptical; frequency selective; selective surface; bandpass response ... See more keywords

Optically transparent and angularly stable broad‐stopband frequency selective surface for millimeter wave electromagnetic interference mitigation

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recommendations! Published in 2024 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.34078

Abstract: An optically transparent and angularly stable frequency selective surface (FSS) with a broad stopband is introduced for addressing millimeter wave (mmW) electromagnetic interference. The unique FSS unit cell pattern incorporates a cross patch with Y‐shaped… read more here.

Keywords: selective surface; transparent angularly; stopband; optically transparent ... See more keywords

A multilayer frequency‐selective rasorber for wideband transmission based on harmonic suppression

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recommendations! Published in 2024 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.34224

Abstract: To break through the limitation of harmonic loss on transmission bandwidth, a multilayer frequency‐selective rasorber (FSR) for wideband transmission is present in this letter. First, the principle of harmonic suppression implemented by a lossy layer… read more here.

Keywords: transmission; harmonic suppression; multilayer frequency; absorption ... See more keywords

Tunable bandpass frequency selective surface with wideband tuning and low insertion loss based on tunneling waveguide array

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recommendations! Published in 2024 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.70010

Abstract: In this paper, we present a tunable bandpass frequency‐selective surface (FSS) with wide tuning range. The FSS consists of a metallic rectangular waveguide array integrated into the double‐sided printed circuit board (DSPCB) and an array… read more here.

Keywords: waveguide array; frequency selective; insertion loss; frequency ... See more keywords

Design and Analysis of Polarization‐Insensitive Ultrawide‐Stopband Frequency Selective Surface

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recommendations! Published in 2025 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.70271

Abstract: This article presents the design and analysis of a miniaturized frequency selective surface (FSS) for ultrawide‐stopband applications. The performance reveals that the proposed FSS could be used to spatial filter the UWB signals and as… read more here.

Keywords: selective surface; ultrawide stopband; design analysis; frequency selective ... See more keywords

Dual‐Polarized Frequency Selective Rasorber With Quasi‐Elliptic Bandpass Response

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recommendations! Published in 2025 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.70272

Abstract: In this paper, a dual‐polarized frequency selective surface (FSS) capable of exhibiting a wide quasi‐elliptic bandpass response is presented, analyzed, and then applied to the frequency selective rasorber (FSR) design. Three transmission poles (TPs) and… read more here.

Keywords: bandpass response; quasi elliptic; elliptic bandpass; frequency selective ... See more keywords

Low‐Profile Absorptive Frequency Selective Structure With Wide Transmission Band and Absorption Band

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recommendations! Published in 2025 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.70280

Abstract: This paper proposes a low‐profile absorptive frequency‐selective structure (AFSS) that exhibiting a wide absorption band and a wide low‐insertion‐loss transmission band. The AFSS is composed of two layers, separated by an air spacer layer. In… read more here.

Keywords: absorption band; band; transmission band; frequency selective ... See more keywords

Multi‐Objective Optimization Design of Dual‐Polarized Broadband Frequency Selective Rasorber

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recommendations! Published in 2025 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.70383

Abstract: To address the challenges of prolonged design cycles, low efficiency, and excessive dependence on specialized expertise in the design of frequency selective rasorber (FSR), this letter presents a novel dual‐polarized broadband FSR design based on… read more here.

Keywords: multi objective; selective rasorber; design; optimization ... See more keywords

Design of highly directive terahertz photoconductive dipole antenna using frequency-selective surface for sensing and imaging applications

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recommendations! Published in 2018 at "Journal of Computational Electronics"

DOI: 10.1007/s10825-018-1217-6

Abstract: The prospects for improving the gain and directivity of a photoconductive dipole antenna (PCA) using a bandpass frequency-selective surface (FSS) as a superstrate at terahertz frequencies for imaging and sensing applications are presented. The physical… read more here.

Keywords: photoconductive dipole; frequency selective; frequency; selective surface ... See more keywords