Precise measurements of the permittivity of microwave absorbing materials at microwave frequencies
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-020-03535-z
Abstract: With the development of electronic technology, microwave absorbing materials play an important role in aerospace, electromagnetic pollution, and other fields. However, the accurate measurement of dielectric properties at microwave frequencies has always been a difficult… read more here.
Keywords: microwave absorbing; permittivity; method; accurate measurement ... See more keywords
Space-wave isolator based on remanence at microwave frequencies
Sign Up to like & getrecommendations! Published in 2021 at "Optik"
DOI: 10.1016/j.ijleo.2020.165531
Abstract: Abstract A platy isolator for plane waves at microwave frequencies is proposed and investigated theoretically. The isolator is a layered structure which consists of a dielectric layer sandwiched by two yttrium-iron-garnet (YIG) layers with opposite… read more here.
Keywords: isolator; isolator based; wave isolator; transverse resonance ... See more keywords
Modeling dielectric permittivity of polymer composites at microwave frequencies
Sign Up to like & getrecommendations! Published in 2020 at "Materials Research Bulletin"
DOI: 10.1016/j.materresbull.2020.110818
Abstract: Abstract A modification of the Lichtenecker–Rother model is proposed for the dielectric permittivity of polymer composites that takes into account aggregation of filler particles into clusters. The governing equations for the real and imaginary parts… read more here.
Keywords: dielectric permittivity; permittivity; polymer composites; microwave frequencies ... See more keywords
Mechanically reconfigurable multi-functional meta-optics studied at microwave frequencies
Sign Up to like & getrecommendations! Published in 2021 at "Scientific Reports"
DOI: 10.1038/s41598-021-88785-5
Abstract: Metasurfaces advanced the field of optics by reducing the thickness of optical components and merging multiple functionalities into a single layer device. However, this generally comes with a reduction in performance, especially for multi-functional and… read more here.
Keywords: reconfigurable multi; optics; multi functional; microwave frequencies ... See more keywords
Electromagnetic properties and EMI shielding effectiveness of polymer composites reinforced with ferromagnetic particles at microwave frequencies
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Applied Physics"
DOI: 10.1063/1.5143732
Abstract: By means of the integration embedding scheme, a model is developed for the complex dielectric permittivity and magnetic permeability of polymers reinforced with ferromagnetic particles. The model takes into account the aspect ratio of particles… read more here.
Keywords: ferromagnetic particles; polymer; reinforced ferromagnetic; particles microwave ... See more keywords
Symphotic Multiplexing Medium at Microwave Frequencies
Sign Up to like & getrecommendations! Published in 2020 at "Physical review applied"
DOI: 10.1103/physrevapplied.13.024033
Abstract: As opposed to metasurfaces, which can produce a single output waveform in response to a single input waveform, volumetric metamaterials have the ability to perform independent functions on many distinct input waveforms. Here, we present… read more here.
Keywords: multiplexing medium; medium microwave; input; method ... See more keywords
Robust electric dipole transition at microwave frequencies for nuclear spin qubits in silicon
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review B"
DOI: 10.1103/physrevb.98.075313
Abstract: The nuclear spin state of a phosphorus donor ($^{31}$P) in isotopically enriched silicon-28 is an excellent host to store quantum information in the solid state. The spin's insensitivity to electric fields yields a solid-state qubit… read more here.
Keywords: nuclear spin; dipole; electric dipole; microwave frequencies ... See more keywords
Superconducting Cavity Electromechanics: The Realization of an Acoustic Frequency Comb at Microwave Frequencies.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.129.107701
Abstract: We present a nonlinear multimode superconducting electroacoustic system, where the interplay between superconducting kinetic inductance and piezoelectric strong coupling establishes an effective Kerr nonlinearity among multiple acoustic modes at 10Â GHz that could hardly be achieved… read more here.
Keywords: superconducting cavity; microwave frequencies; frequency comb; multimode ... See more keywords
Detection of Brillouin Precursors at Microwave Frequencies Through a Rectangular Waveguide Filled With Wet Soil
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2018.2825778
Abstract: This letter extends our recent experimental work to detect Brillouin Precursors (BPs) at microwave frequencies through a rectangular waveguide (WG) filled with wet soil. Simulated and experimental data processing methods are discussed. BPs through the… read more here.
Keywords: frequencies rectangular; waveguide; rectangular waveguide; microwave frequencies ... See more keywords
Characterization of Nematic Liquid Crystal at Microwave Frequencies Using Split-Cylinder Resonator Method
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2019.2916790
Abstract: Liquid crystal (LC) is an anisotropic liquid material, which flows like a liquid, but at the same time, its molecules have an orientational order like in the solid state. Thus, LC is a promising dielectric… read more here.
Keywords: microwave; characterization; split cylinder; method ... See more keywords
Vortex Beam Generation Based on Plasma Reflect- Array Surface at Microwave Frequencies
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Plasma Science"
DOI: 10.1109/tps.2021.3083199
Abstract: Orbital angular momentum (OAM) is a promising feature of electromagnetic (EM) wave to increase the communication link capacity. It is possible to use the OAM over the whole spectrum from radio frequency to optic. EM… read more here.
Keywords: beam generation; reflect array; microwave frequencies; vortex beam ... See more keywords