Design of millimeter wave broadband polarization reconfigurable horn antenna based on elliptical waveguide polarizer
Sign Up to like & getrecommendations! Published in 2024 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.34210
Abstract: A broadband polarized reconfigurable horn antenna for K‐band and Ka‐band is designed using a circular polarizer in the form of an elliptical waveguide and a circular waveguide flange based on a gap structure. The designed… read more here.
Keywords: polarizer; polarization; broadband; elliptical waveguide ... See more keywords
Investigation of achromatic micro polarizer array for polarization imaging in visible-infrared band
Sign Up to like & getrecommendations! Published in 2018 at "Optik"
DOI: 10.1016/j.ijleo.2018.01.017
Abstract: Abstract The design and fabrication of a micro polarizer array (MPA) for polarization imaging is described for visible-IR region. The MPA, composed of 1280 × 1024 elements, is designed to be integrated directly onto the CMOS chip.… read more here.
Keywords: polarizer; micro polarizer; polarization imaging; polarizer array ... See more keywords
Ultrabroadband two-layer dielectric/metal on a silica substrate hybrid grating polarizer
Sign Up to like & getrecommendations! Published in 2020 at "Optik"
DOI: 10.1016/j.ijleo.2020.164361
Abstract: Abstract We developed an ultrabroadband two-layer hybrid grating for polarizer. The efficiencies and extinction ratios of the two-layer polarizer were characterized for different grating geometrical parameters including periods, duty cycles and dielectric layer thicknesses. In… read more here.
Keywords: polarizer; grating polarizer; hybrid grating; ultrabroadband two ... See more keywords
An electrically switchable dye-doped liquid crystal polarizer for organic light emitting-diode displays
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Molecular Liquids"
DOI: 10.1016/j.molliq.2021.115922
Abstract: Abstract A conventional polarizer for an organic light-emitting diode (OLED) display deteriorates light efficiency by blocking more than 50% of the emitted light from the OLED. The use of such a polarizer with a quarter-waveplate… read more here.
Keywords: light; light emitting; organic light; ambient light ... See more keywords
A modified dumbbell-shaped highly efficient broadband multifunctional polarizer for X and Ku band applications
Sign Up to like & getrecommendations! Published in 2024 at "International Journal of Microwave and Wireless Technologies"
DOI: 10.1017/s1759078724000746
Abstract: A novel metasurface offering polarization conversion characteristic in five bands is studied and developed in this paper. To provide the anisotropic feature to the structure, a diagonally placed tapered rod is combined with two semicircular… read more here.
Keywords: polarizer; modified dumbbell; shaped highly; band ... See more keywords
Broadband circular polarizer for randomly polarized light in few-layer metasurface
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-019-38948-2
Abstract: Controlling the polarization state of light has been a significant issue for various integrated optical devices such as optical imaging, sensors, and communications. Recent advances in metamaterials enable the optical elements for controlling light to… read more here.
Keywords: polarizer; circular polarizer; polarization; randomly polarized ... See more keywords
Polarization-controlled optimal scatter suppression in transient absorption spectroscopy
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/srep43484
Abstract: Ultrafast transient absorption spectroscopy is a powerful technique to study fast photo-induced processes, such as electron, proton and energy transfer, isomerization and molecular dynamics, in a diverse range of samples, including solid state materials and… read more here.
Keywords: polarizer; polarization; transient absorption; spectroscopy ... See more keywords
An active carbon-nanotube polarizer-embedded electrode and liquid-crystal alignment.
Sign Up to like & getrecommendations! Published in 2020 at "Nanoscale"
DOI: 10.1039/d0nr02276d
Abstract: We report a method for constructing an active optical polarizer using an aligned carbon nanotube (CNT) sheet that is flexible, bendable, transparent, conductive, and also serves to anchor liquid-crystal (LC) molecules. A horizontally aligned CNT… read more here.
Keywords: cnt sheet; polarizer; carbon nanotube; sheet ... See more keywords
Broadband polarizer using single-layer grating with ultra-high extinction ratio
Sign Up to like & getrecommendations! Published in 2023 at "AIP Advances"
DOI: 10.1063/5.0135669
Abstract: Polarizers are an essential optical element for tailoring the polarization state of electromagnetic waves in a wide range of optical devices. Such polarizers, which exhibit a wide operating bandwidth and high performance, are attracting increasing… read more here.
Keywords: extinction ratio; ultra high; single layer; high extinction ... See more keywords
Broadband infrared polarizer of graphene wire grids with flat PER curves
Sign Up to like & getrecommendations! Published in 2024 at "AIP Advances"
DOI: 10.1063/5.0205728
Abstract: Since 2004, the flourishing two-dimensional graphene has sparked extensive research on graphene-based optical and optoelectronic devices with high performance due to its ultra-fast photoelectric response, broadband, and tunable optical response. However, up until now, graphene-based… read more here.
Keywords: polarizer; wire; wire grids; graphene wire ... See more keywords
Graphene oxide (GO)-based wideband optical polarizer using a non-adiabatic microfiber
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Modern Optics"
DOI: 10.1080/09500340.2016.1241903
Abstract: Abstract In this paper, a microfibre polarizer based on graphene oxide (GO) is proposed and demonstrated. A microfibre was coated with GO using the drop-casting technique. The extinction ratio (ER) has been measured at wideband… read more here.
Keywords: graphene oxide; oxide based; polarizer; wideband optical ... See more keywords