Results 41 to 50 of about 10,722 (267)
Analysis of 3D-printed metal for rapid-prototyped reflective terahertz optics [PDF]
, 2016 We explore the potential of 3D metal printing to realize complex conductive terahertz devices. Factors impacting performance such as printing resolution, surface roughness, oxidation, and material loss are investigated via analytical, numerical, and ...
Abbott, Derek +5 more
core +2 more sources
IEEE Transactions on Antennas and PropagationThis article introduces a low-cost, easy-to-manufacture, dual polarization reconfigurable reflectarray antenna based on liquid crystal (LC) that operates at W-band.
Robert Guirado +4 more
semanticscholar +1 more source
IEEE Access, 2020 A gain-enhancement scheme that combines an active integrated antenna (AIA) and an optically transparent reflectarray on solar cells is proposed for CubeSat applications.
Yen-Sheng Chen +2 more
doaj +1 more source
Design, Concepts and Applications of Electromagnetic Metasurfaces [PDF]
, 2017 The paper overviews our recent work on the synthesis of metasurfaces and related concepts and applications. The synthesis is based on generalized sheet transition conditions (GSTCs) with a bianisotropic surface susceptibility tensor model of the ...
Achouri, Karim, Caloz, Christophe
core +3 more sources
Multi-Beam Circular Polarized Reflectarray on Parabolic Reflector by Variable Rotation Technique
Applied Sciences, 2019 Multi-beams antennas are currently being used for direct broadcast satellite, personal communication satellite, military communication satellite, and high-speed internet applications.
Álvaro Somolinos +3 more
doaj +1 more source
A Ku-Band Foldable Reflectarray Based on a Maltese-Cross Microstrip Element
Известия высших учебных заведений России: Радиоэлектроника, 2021 Introduction. Reflectarrays have a number of design and functional advantages over their closest analogue - reflector antennas (RA). Although microstrip elements are the most preferred reflectarray elements, single-layer microstrip elements do not allow ...
S. V. Polenga +5 more
doaj +1 more source
High efficiency near diffraction-limited mid-infrared flat lenses based on metasurface reflectarrays [PDF]
, 2016 A limiting factor in the development of mid-infrared optics is the lack of abundant materials that are transparent, low cost, lightweight, and easy to machine. In this paper, we demonstrate a metasurface device that circumvents these limitations.
Aieta, Francesco +11 more
core +3 more sources
International Journal of Antennas and Propagation, 2023 In this article, a single-layer circularly polarized reflectarray antenna (RA) with a linearly polarized feed is proposed for microwave power transmission.
Huaiqing Zhang +5 more
doaj +1 more source
Dipole‐Quadrupole Model and Multipole Analysis of Resonant Membrane Metasurfaces
Laser &Photonics Reviews, EarlyView.Membrane metasurfaces, arrays of holes in a dielectric membrane, are appealing because they require no substrate and allow access to resonant near‐fields. However, developing a comprehensive theoretical description for them remains challenging. We introduce a semi‐analytical dipole‐quadrupole approach to analyze their resonant spectra at arbitrary ...
Izzatjon Allayarov +2 more
wiley +1 more source
Thermal performance of residential house using interlocking compressed earth brick (ICEB) as an alternative wall material [PDF]
, 2012 Buildings are usually designed and constructed without the concern of its impact to the environment and human comfort. Most contributes to poor thermal performance and high energy consumption.
Razman, Ruzaimah
core