Low-Loss Organic Hyperbolic Materials in the Visible Spectral Range: A Joint Experimental and First-Principles Study.
Sign Up to like & getrecommendations! Published in 2020 at "Advanced materials"
DOI: 10.1002/adma.202002387
Abstract: Hyperbolic media strengthen numerous attractive applications in optics such as super-resolution imaging, enhanced spontaneous emission, and nanoscale waveguiding. Natural hyperbolic materials exist at visible frequencies; however, implementations of these materials suffer substantial compromises resulting from… read more here.
Keywords: range; low loss; organic hyperbolic; loss organic ... See more keywords
Programmable wavefront control in the visible spectrum using low-loss chalcogenide phase change metasurfaces.
Sign Up to like & getrecommendations! Published in 2022 at "Advanced materials"
DOI: 10.1002/adma.202205367
Abstract: All-dielectric metasurfaces provide unique solutions for advanced wavefront manipulation of light with complete control of amplitude and phase at sub-wavelength scales. One limitation, however, for most of these devices is the lack of any post-fabrication… read more here.
Keywords: phase; control; phase change; spectrum using ... See more keywords
Planar Porous Components for Low‐Loss Terahertz Optics
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Optical Materials"
DOI: 10.1002/adom.201900236
Abstract: DOI: 10.1002/adom.201900236 these applications, low-loss beamforming components, such as lenses, polarizers, phase plates, beam steerers, etc., are needed.[4] Such devices generally operate by spatially modifying the phase of the incident plane wave. For example, for… read more here.
Keywords: components low; low loss; planar porous; optics ... See more keywords
Ultra-low loss lumped element cryogenic coolable high pass filter and cryogenic measurement method
Sign Up to like & getrecommendations! Published in 2017 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.30718
Abstract: This letter presents an ultra-low loss cryogenically-coolable lumped element high pass filter and the measurement method of its S parameters and noise temperature at cryogenic temperature. This filter is going to be used in RFI… read more here.
Keywords: temperature; low loss; ultra low; high pass ... See more keywords
Low-Loss Tunable Infrared Plasmons in the High-Mobility Perovskite (Ba,La)SnO3.
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DOI: 10.1002/smll.202106897
Abstract: BaSnO3 exhibits the highest carrier mobility among perovskite oxides, making it ideal for oxide electronics. Collective charge carrier oscillations known as plasmons are expected to arise in this material, thus providing a tool to control… read more here.
Keywords: low loss; tunable infrared; loss tunable; mobility ... See more keywords
Wide-Angle Tunable Critical Coupling in Nanophotonic Optical Coatings with Low-Loss Phase Change Material.
Sign Up to like & getrecommendations! Published in 2022 at "Small"
DOI: 10.1002/smll.202202005
Abstract: Realizing perfect light absorption in stacked thin films of dielectrics and metals through critical light coupling has recently received intensive research attention. In addition, realizing ultra-thin perfect absorber and tunable perfect absorber in the visible… read more here.
Keywords: wide angle; absorption; low loss; phase ... See more keywords
Significantly enhanced dielectric permittivity and low loss in epoxy composites incorporating 3d W-WO3/BaTiO3 foams
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Science"
DOI: 10.1007/s10853-020-05536-z
Abstract: With the rapid development of miniaturization and high integration of electronic devices, increasing attention has been paid to the exploration of dielectric composites with further improved dielectric permittivities. Herein, a unique design of high dielectric… read more here.
Keywords: dielectric permittivity; wo3 batio3; low loss; wo3 ... See more keywords
Improving Solar Cells’ Light Trapping by the Low Loss Interface Photonic Crystals
Sign Up to like & getrecommendations! Published in 2018 at "Plasmonics"
DOI: 10.1007/s11468-018-0809-0
Abstract: Improving the silicon layer’s optical absorption is a key research point for crystalline silicon based thin film solar cells. Light trapping is a method widely adopted to achieve this research purpose. In this paper, we… read more here.
Keywords: loss interface; interface photonic; low loss; photonic crystals ... See more keywords
A low loss RC I/Q generator for vector-sum applications
Sign Up to like & getrecommendations! Published in 2019 at "AEU - International Journal of Electronics and Communications"
DOI: 10.1016/j.aeue.2019.152852
Abstract: Abstract This letter proposes a method to reduce the loss of multi-stage RC polyphase filters (PPFs), which are capable of generating in-phase and quadrature (I/Q) output signals in a broadband bandwidth. The proposed two-stage PPF… read more here.
Keywords: low loss; loss; loss generator; vector sum ... See more keywords
Polyvinyl butyral composites containing halloysite nanotubes/reduced graphene oxide with high dielectric constant and low loss
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2020.124910
Abstract: Abstract Polymer-based composites with high dielectric constant and low loss are highly desirable due to their inherent advantages of easy processability, flexibility, and lightweight. Herein, a functional nanofillers, halloysite nanotubes (HNTs) decorated reduced graphene oxide… read more here.
Keywords: high dielectric; low loss; halloysite nanotubes; dielectric constant ... See more keywords
Low-loss and temperature-stable (1−x)Li2TiO3–xLi3Mg2NbO6 microwave dielectric ceramics
Sign Up to like & getrecommendations! Published in 2020 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.12.075
Abstract: Abstract Low-loss (1−x)Li2TiO3–xLi3Mg2NbO6 (LT-LMN, 0.02 ≤ x ≤ 0.08) microwave dielectric ceramics (MDCs) with rock salt structures were fabricated via a traditional solid-state reaction route. Li3Mg2NbO6 was used as a Li2TiO3 compensator to improve temperature stability. Scanning electron microscope… read more here.
Keywords: li2tio3 xli3mg2nbo6; temperature; low loss; microwave dielectric ... See more keywords