Ultra-wideband tunable reflective linear-to-circular polarization converter realized by GST-based metasurface at terahertz frequency
Sign Up to like & getrecommendations! Published in 2021 at "Optics Communications"
DOI: 10.1016/j.optcom.2021.127553
Abstract: Abstract Polarization conversion of electromagnetic wave plays an important role in practical application. In this paper, a terahertz band ultra-wideband tunable linear-to-circular polarization converter based on GST metasurface is proposed. It consists of two triangular metals, a… read more here.
Keywords: polarization converter; polarization; gst; ultra wideband ... See more keywords
Optimal Design of Miniaturized Reflecting Metasurfaces for Ultra-Wideband and Angularly Stable Polarization Conversion
Sign Up to like & getrecommendations! Published in 2018 at "Scientific Reports"
DOI: 10.1038/s41598-018-25934-3
Abstract: An ultra-wideband linear polarization converter based on a reflecting metasurface is presented. The polarizer is composed by a periodic arrangement of miniaturized metallic elements printed on a grounded dielectric substrate. In order to achieve broadband… read more here.
Keywords: polarization converter; polarization; metasurface; optimal design ... See more keywords
Tunable Linear-to-Circular Polarization Converter Using the Graphene Transmissive Metasurface
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2950847
Abstract: In this article, a tunable linear-to-circular polarization converter (LTCPC) in terahertz (THz) regime using the graphene transmissive metasurface is proposed, which is composed of two resonant layers containing the metal and graphene resonators separated by… read more here.
Keywords: circular polarization; polarization converter; using graphene; graphene transmissive ... See more keywords
A Novel THz Half-Wave Polarization Converter for Cross-Polarization Conversions of Both Linear and Circular Polarizations and Polarization Conversion Ratio Regulating by Graphene
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2018.2836904
Abstract: Polarization converter is firstly proposed with the functions of simultaneously converting a linear polarization (LP) and a circular polarization (CP) to its corresponding cross polarizations, and polarization conversion ratio (PCR) of the converter with graphene… read more here.
Keywords: layer; graphene; polarization converter; polarization ... See more keywords
Reconfigurable Multifunction Polarization Converter Integrated With PIN Diode
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Microwave and Wireless Components Letters"
DOI: 10.1109/lmwc.2021.3064039
Abstract: A novel reconfigurable polarization conversion method based on a metasurface turned by PIN diodes is proposed herein. The proposed metasurface consists of one layer of a dielectric and two layers of metal surfaces. When the… read more here.
Keywords: pin diode; metasurface; polarization converter; polarization ... See more keywords
A Multifunctional Frequency-Selective Polarization Converter for Broadband Backward-Scattering Reduction
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2020.3030966
Abstract: A novel dual-polarized frequency-selective polarization converter (FSPC) with low-backward scattering is proposed by combining a bandpass frequency-selective surface (FSS) with a polarization converter. The FSPC, comprised of the top polarization conversion layer and the bottom… read more here.
Keywords: backward scattering; polarization converter; frequency; polarization ... See more keywords
Design and Analysis of Broadband Ultrathin Reflective Linear-to-Circular Polarization Converter Using Polygon-Based Anisotropic-Impedance Surface
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2021.3060130
Abstract: A broadband reflective linear-to-circular polarization converter (LCPC) is designed using a polygon-based single-layer anisotropic-impedance surface on an ultrathin (thickness is $0.053\lambda _{\mathbf {0}}$ , where $\lambda _{\mathbf {0}}$ is the wavelength corresponding to the mid… read more here.
Keywords: tex math; polarization converter; inline formula;
Wideband circular polarization converter based on graphene metasurface at terahertz frequencies
Sign Up to like & getrecommendations! Published in 2019 at "Optical Engineering"
DOI: 10.1117/1.oe.58.4.043106
Abstract: Abstract. Linear-to-circular polarization converters are widely used in optical and microwave systems, but the polarization devices of traditional materials are untunable, and devices made of graphene materials can overcome this disadvantage. A circular polarization converter… read more here.
Keywords: circular polarization; polarization converter; polarization; based graphene ... See more keywords
Switchable ultraband terahertz absorber and polarization converter using photoconductive silicon-assisted metasurface
Sign Up to like & getrecommendations! Published in 2021 at "Optical Engineering"
DOI: 10.1117/1.oe.60.12.127112
Abstract: Abstract. A bi-function switchable metasurface structure is proposed to realize dynamic switch function between ultrabroadband terahertz absorber and polarization converter. The structure consists of a SO2 hemisphere in a square lattice, two different radius hybrid… read more here.
Keywords: polarization converter; metasurface; silicon; terahertz absorber ... See more keywords
Tunable reflective tri-band polarization converter based on graphene composite metasurface
Sign Up to like & getrecommendations! Published in 2023 at "Optical Engineering"
DOI: 10.1117/1.oe.62.5.057103
Abstract: Abstract. A graphene composite metasurface-based reflective tri-band polarization converter working in the terahertz frequency regime is proposed and investigated by CST Microwave Studio software. The polarization converter achieves high polarization conversion ratios (above 99%) for… read more here.
Keywords: polarization; converter; tri band; band polarization ... See more keywords
Broadband devices for a polarization converter based on optical metasurfaces.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.464801
Abstract: Devices employed for optical polarization conversion are widely used in the areas of optical focusing, optical imaging, and microscopy. To circumvent the problems of traditional optical polarization conversion devices, such as a narrow bandwidth, bulky… read more here.
Keywords: polarization; broadband devices; optical metasurfaces; based optical ... See more keywords