A dual‐band linear‐to‐circular polarization converter with robustness under oblique incidences
Sign Up to like & getrecommendations! Published in 2020 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.32598
Abstract: A dual‐band linear‐to‐circular polarization converter is proposed and experimentally demonstrated in this work. The structure consists of four identical meander‐line layers separated by air. The converter transforms y‐polarized waves into left hand circular‐polarized waves in… read more here.
Keywords: converter; band; linear circular; circular polarization ... See more keywords
Linear and circular-polarization conversion in X-band using anisotropic metasurface
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-019-40793-2
Abstract: An ultrathin single-layer metasurface manifesting both linear cross-polarization conversion (CPC) and linear-to-circular polarization (LP-to-CP) conversion in X-band is presented in this research. The designed metasurface acts as a multifunctional metasurface achieving CPC over a fractional… read more here.
Keywords: polarization; circular polarization; polarization conversion; metasurface ... See more keywords
Broadband Linear-to-Circular Polarization Conversion Enabled by Birefringent Off-Resonance Reflective Metasurfaces.
Sign Up to like & getrecommendations! Published in 2019 at "Physical review letters"
DOI: 10.1103/physrevlett.123.237401
Abstract: Due to the scarcity of circular polarization light sources, linear-to-circular polarization conversion is required to generate circularly polarized light for a variety of applications. Despite significant past efforts, broadband linear-to-circular polarization conversion remains elusive particularly… read more here.
Keywords: broadband linear; polarization; circular polarization; polarization conversion ... 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
High-Efficiency and Tunable Terahertz Linear-to-Circular Polarization Converters Based on All-Dielectric Metasurfaces
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.3007838
Abstract: Terahertz polarization converter has drawn great attention for its properties of wavefront control in recent years. However, the low transmission efficiency of these converters remains a major obstruction to be resolved. A promising solution is… read more here.
Keywords: circular polarization; high efficiency; polarization; efficiency ... See more keywords
Wideband Linear-to-Circular Polarizer Based on Orthogonally Inserted Slot-Line Structures
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2019.2911550
Abstract: This letter presents a printed wideband linear-to-circular polarizer for X-band applications. The proposed polarizer consists of a periodic array of orthogonally inserted slot-line structures, which are treated as two independent transmission paths for two orthogonal… read more here.
Keywords: slot line; polarizer; line structures; linear circular ... See more keywords
Wideband and Wide-Angle Single-Layered-Substrate Linear-to-Circular Polarization Metasurface Converter
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2019.2938683
Abstract: A wideband and wide-angle linear-to-circular polarization converter (LCPC) based on a single-layer dielectric substrate is proposed. The converter element consists of a metal strip cross backed by a strip horizontally and centrically located on the… read more here.
Keywords: circular polarization; converter; angle; wideband wide ... See more keywords
Equivalent Circuit Modeling to Design a Dual-Band Dual Linear-to-Circular Polarizer Surface
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2020.2963949
Abstract: The working principle of a thin dual-band dual-linear to circular polarizer is presented here. This polarizer not only converts incident linearly polarized (LP) waves to circularly polarized (CP) waves in two frequency bands, but it… read more here.
Keywords: dual band; band dual; circular polarizer; dual linear ... See more keywords
Ultra-wideband linear-to-circular polarizer realized by bi-layer metasurfaces.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.460685
Abstract: We propose a bi-layer transmissive metasurface to obtain linear-to-circular polarization conversion in a wideband. The unit cell of each metasurface layer, which has identical configuration, consists of a Jerusalem-cross-like resonator and a metal strip. A… read more here.
Keywords: layer; ultra wideband; linear circular; circular polarizer ... See more keywords
Actively tunable linear and circular dichroic metamirrors based on single-layer graphene.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.479151
Abstract: Aiming at the problems of low efficiency, single function and complex structure of the existing dichroic metamirrors, the actively tunable linear and circular dichroic metamirrors based on single-layer graphene are proposed in this study. The… read more here.
Keywords: graphene; actively tunable; linear circular; circular dichroic ... See more keywords
Design a Linear and Circular Polarization MIMO Antennas Based on Compact Size Configurations with High Isolation and Stable Gain Characteristics for CBand and WLAN / WiMAX Applications
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Intelligent Engineering and Systems"
DOI: 10.22266/ijies2021.0630.38
Abstract: This paper presents a compact linear and circular polarization multi-input multi-output (MIMO) antenna for wireless local area network (WLAN) / worldwide interoperability for microwave access (WiMAX) and C-band wireless communication systems. This work has been… read more here.
Keywords: circular polarization; polarization; isolation; stable gain ... See more keywords