Single-Layer Transmissive Chiral Plasma Metasurface with High Circular Polarization Extinction Ratio in Visible Wavelength [PDF]
Nanomaterials, 2023 Chiral metamaterials are extensively applied in the fields of photoelectric detection, biomedical diagnostics and micro-nano polarization imaging. Currently, single-layer chiral metamaterials are unfortunately limited by several issues, such as a weaker ...
Ran Zhang +4 more
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Spin-selective heterogeneous chiral perovskites for circular-polarization-resolved retinomorphic sensors [PDF]
Nature CommunicationsAs a type of promising hardware for next-generation artificial visual systems with extended perceptual and anti-interference capabilities, circular-polarization-resolved retinomorphic sensors are underexplored due to the lack of suitable chiral materials
De Yu +17 more
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A Wideband Multi-Polarized Microstrip Antenna with High Polarization Isolation Based on Dual-Circular Polarization [PDF]
MicromachinesTo address the limited overlapping bandwidth across polarization modes in conventional multi-polarized antennas, this paper proposes a wideband multi-polarized microstrip antenna with high polarization isolation.
Xuenan Wang +6 more
doaj +2 more sources
A Broadband Millimeter-Wave Circularly Polarized Folded Reflectarray Antenna Based on Transmissive Linear-to-Circular Polarization Converter [PDF]
MicromachinesIn this paper, a wideband circularly polarized folded reflectarray antenna (CPFRA) based on a transmissive linear-to-circular polarization converter is proposed. The CPFRA consists of a primary reflector and a sub-reflector.
Yue Cao +4 more
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Optimal design of broadband linear-to-circular polarization conversion metasurface
Materials & DesignDue to their inherent defects, circular polarization discrimination methods involving amplitude-phase or axial ratio are obstacles of the computer software-based optimal design of broadband linear-to-circular (LTC) polarization conversion metasurfaces ...
Jiao Wang +4 more
doaj +3 more sources
The Polarized Emission of AGN at Millimeter Wavelengths as Seen by POLAMI
Galaxies, 2022 We review results from the POLAMI program, which monitors the polarization properties of 36 blazars at the IRAM 30 m telescope. We found that the variability of the degree of linear polarization is faster and of higher amplitude at 1 mm than at 3 mm and ...
Iván Agudo, Clemens Thum
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A Multi-Polarization Series-Fed Antenna Array Based on Eccentric Ring
IEEE Access, 2023 A multi-polarization series-fed antenna working at 10 GHz is presented in this paper. The patch elements are built by eccentric rings which can realize the performance of circular polarization.
Xin Guan +3 more
doaj +1 more source
Characterization of output circular polarization degree in lowcost asymmetric metasurfaces [PDF]
EPJ Web of Conferences, 2022 Addition of asymmetry in plasmonic nanostructures can lead to chiro-optical phenomena, usually monitored as different absorption of left and right polarization, i.e. circular dichroism.
Petronijevic Emilija +8 more
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Chiral Dual-Core Photonic Crystal Fiber for an Efficient Circular Polarization Beam Splitter
Photonics, 2023 As a function of a circular polarization beam splitter (CPBS), combining a linear polarization beam splitter with a quarter-wave plate results in a polarization error in a circular polarization fiber-optic circuit.
She Li +5 more
doaj +1 more source
Photonic Bandgaps of One-Dimensional Photonic Crystals Containing Anisotropic Chiral Metamaterials
Photonics, 2022 Conventional photonic bandgaps (PBGs) for linear polarization waves strongly depend on the incident angle. Usually, PBGs will shift toward short wavelengths (i.e., blue-shifted gaps) as the incident angle increases, which limits their applications.
Qian Wei +8 more
doaj +1 more source