Results 41 to 50 of about 3,272 (195)

Multifunctional Cascaded Metamaterials: Integrated Transmitarrays

open access: yes, 2016
Control of electromagnetic waves using engineered materials is very important in a wide range of applications, therefore there is always a continuous need for new and more efficient solutions. Known natural and artificial materials and surfaces provide a
Asadchy, Viktar S.   +4 more
core   +1 more source

Passive Planar Transmit-Array Microstrip Lens for Microwave Purpose [PDF]

open access: yes, 2010
A complete transmit-array lens device at 12 GHz, for microwave purpose, is offered in this manuscript.In this document, an overview of the functioning of this kind of devices is given and the proposed transmit-array lens is thoroughly studied, with ...
Muñoz Acevedo, Alfonso   +2 more
core   +2 more sources

Analysis of the Transmission Performance Limits for a Multi-layer Transmitarray Unit Cell [PDF]

open access: yes, 2021
This communication presents a theoretical study that establishes the performance limits for a multi-layer transmitarray unit cell. This is the first study to be applicable to unit cells in which the conducting resonators, on the different layers, are ...
Gao, Y, Kelly, JR, Qu, Z
core   +1 more source

Design of Multi-Functional Transmitarray with Active Linear Polarization Conversion and Beam Steering Capabilities

open access: yesApplied Sciences, 2022
This study designed a multi-functional reconfigurable transmitarray with switchable polarization and beam steering capabilities using only a PIN diode having ON/OFF switching ability.
In-Gon Lee, Jong-Yeong Kim, Ic-Pyo Hong
doaj   +1 more source

Electronically Tunable Phase Response for Phased array Patches [PDF]

open access: yes, 2010
The design and prototyping of radiating elements with tunable phase response, for reconfigurable patch array antennas, is presented. Different options are found in the technical literature to obtain feasible reconfigurable array antennas: placing the ...
A. Muñoz-Acevedo   +9 more
core   +2 more sources

Dual-Band Quad-Polarized Transmitarray for 5G Mm-Wave Application

open access: yesIEEE Access, 2021
A dual-band quad-polarized transmitarray (TA) is designed in a common aperture operating at 25.9/39.8 GHz. Using narrow strip patches as cells, the 25.9 GHz cells are arranged in the ±45° direction, and the 39.8 GHz cells are arranged in ...
Lin-Hui He, Yong-Ling Ban, Gang Wu
doaj   +1 more source

A compact flat lens antenna with aperture-coupled patch elements [PDF]

open access: yes, 2014
A compact 7 x 7 flat lens antenna design for Xband applications is presented in this paper. A new design with aperture-coupled E-shaped patch elements at 10 GHz is simulated and analyzed.
Adnan, Suraya Hani   +5 more
core   +2 more sources

Space-fed antenna based on dielectric-only transmitarray [PDF]

open access: yes, 2022
In this work, preliminary results on the design of a dielectric transmitarray (TA) antenna are presented. The unit-cell consists in two circular cylinders located on the two sides of a thin square slab, with size 0.3λ at the central frequency, realized ...
Massaccesi, A., Pirinoli, P.
core   +1 more source

One-Dimensional Beam Scanning Transmitarray Lens Antenna Fed by Microstrip Linear Array

open access: yesIEEE Access, 2019
This paper proposed a one-dimensional beam scanning transmitarray lens antenna fed by a microstrip linear array antenna which owns a wide pattern in the plane orthogonal to the array axis and a narrow pattern in the plane that includes the array axis ...
Na Kou   +3 more
doaj   +1 more source

Design, Concepts and Applications of Electromagnetic Metasurfaces [PDF]

open access: yes, 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

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