Results 11 to 20 of about 16,741 (297)

Design of Dielectric Resonator Antenna Using Dielectric Paste [PDF]

open access: yesSensors, 2021
In this publication, the use of a dielectric paste for dielectric resonator antenna (DRA) design is investigated. The dielectric paste can serve as an alternative approach of manufacturing a dielectric resonator antenna by subsequently filling a mold with the dielectric paste.
Kremer, Hauke Ingolf   +4 more
openaire   +3 more sources

A Water-Based Huygens Dielectric Resonator Antenna

open access: yesIEEE Open Journal of Antennas and Propagation, 2020
With its high-permittivity in the microwave frequency range, water has the potential as an alternative, inexpensive, bio-friendly and abundant material for many microwave applications such as dielectric resonator antennas and tunable metamaterials ...
Rasmus E. Jacobsen   +2 more
doaj   +1 more source

Fundamental Limits on Substructure Dielectric Resonator Antennas

open access: yesIEEE Open Journal of Antennas and Propagation, 2022
We show theoretically that the characteristic modes of dielectric resonator antennas (DRAs) must be capacitive in the low frequency limit and that as a consequence of this constraint and the Poincaré Separation Theorem, the modes of any DRA ...
Binbin Yang, Jaewoo Kim, Jacob J. Adams
doaj   +1 more source

OMNIDIRECTIONAL MILLIMETER-WAVELENGTH ANTENNAS BASED ON SEGMENTAL DIELECTRIC RESONATORS WHICH SUPPORT WHISPERING GALLERY MODES [PDF]

open access: yesRadio Physics and Radio Astronomy, 2023
Subject and Purpose. The subject of investigation is a new class of resonant-type transmit antennas intended for operation at millimeter wavelengths.
A. E. Kogut   +7 more
doaj   +1 more source

Efficiency and Scalability of Dielectric Resonator Antennas at Optical Frequencies

open access: yesIEEE Photonics Journal, 2014
Dielectric resonators have been foreseen as a pathway for the realization of highly efficient nanoantennas and metamaterials at optical frequencies. In this paper, we study the resonant behavior of dielectric nanocylinders located on a metal plane, which
Longfang Zou   +7 more
doaj   +1 more source

Broadband Tissue Mimicking Phantoms and a Patch Resonator for Evaluating Noninvasive Monitoring of Blood Glucose Levels [PDF]

open access: yes, 2014
(c) 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or ...
Foster, R, Hao, Y, Yilmaz, T
core   +1 more source

Circular polarized 3D-printed cylindrical DRA using parasitic dielectric helix

open access: yesScientific Reports, 2023
This article presents a 3D-printed cylindrical dielectric resonator antenna operating at 5.8 GHz that achieves circular polarization by integrating a fully dielectric parasitic helix with a higher permittivity than the cylindrical resonator.
Sebastian Diaz   +3 more
doaj   +1 more source

Dielectric Resonator Antenna Geometry-Dependent Performance Tradeoffs

open access: yesIEEE Open Journal of Antennas and Propagation, 2021
A flexible shape generation technique (Surface Contour Shape Generation) is combined with multiobjective evolutionary optimization algorithms in order to synthesize geometrically-diverse dielectric resonator antennas and explore the impact geometry has ...
Eric B. Whiting   +3 more
doaj   +1 more source

Towards Accurate Dielectric Property Retrieval of Biological Tissues for Blood Glucose Monitoring [PDF]

open access: yes, 2014
(c) 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works for resale or ...
Foster, R, Hao, Y, Yilmaz, T
core   +1 more source

Chiral Dielectric Metasurfaces for Highly Integrated, Broadband Circularly Polarized Antenna

open access: yesSensors, 2021
We report on the design of a low-profile integrated millimeter-wave antenna for efficient and broadband circularly polarized electromagnetic radiation.
Bruno Ferreira-Gomes   +2 more
doaj   +1 more source

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