Exhibition of polarization conversions with asymmetric transmission theory, natural like chiral, artificial chiral nihility and retrieval studies for K- and C-band radar applications
Sign Up to like & getrecommendations! Published in 2019 at "Bulletin of Materials Science"
DOI: 10.1007/s12034-019-1882-5
Abstract: Abstract In this study, asymmetric transmission, natural chirality phenomena and a retrieval study with chiral metamaterials (MTMs) are numerically and experimentally focussed, investigated and discussed by examining the polarization conversion effect. Suggested multi-functional designs have… read more here.
Keywords: polarization conversions; retrieval; transmission; exhibition polarization ... See more keywords
A dual-wideband bi-layered chiral metamaterial to develop cross-polarization conversion and asymmetric transmission functionalities for the linearly polarized electromagnetic waves
Sign Up to like & getrecommendations! Published in 2019 at "AEU - International Journal of Electronics and Communications"
DOI: 10.1016/j.aeue.2019.152916
Abstract: Abstract A novel modified bi-layered chiral metamaterial (CMM) with dual-wideband cross-polarization conversion and asymmetric transmission (AT) operations is introduced for the transmission of the linearly polarized electromagnetic (EM) waves. To this end, any unit cell… read more here.
Keywords: linearly polarized; transmission; cross polarization; polarization ... See more keywords
Tunable circular polarization conversion and asymmetric transmission of planar chiral graphene-metamaterial in terahertz region
Sign Up to like & getrecommendations! Published in 2017 at "Carbon"
DOI: 10.1016/j.carbon.2017.04.037
Abstract: Abstract Two-dimensional chirality induced polarization conversion and asymmetric transmission have great potential for polarization applications. We propose graphene-based planar chiral metamaterial and its complementary structure with dual functionality of both circular polarization conversion and asymmetric… read more here.
Keywords: polarization; conversion; polarization conversion; conversion asymmetric ... See more keywords
Tunable circular conversion dichroism and asymmetric transmission of terahertz graphene metasurface composed of split rings
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2019.124623
Abstract: Abstract The asymmetric transmission (AT) has attracted wide attention due to its novel applications. In this paper, we propose and investigate a tunable polarization-dependent intrinsically chiral graphene metasurface composed of split ring arrays in terahertz… read more here.
Keywords: graphene metasurface; circular conversion; metasurface composed; conversion dichroism ... See more keywords
Photonic crystal with 2-fold rotational symmetry for highly efficient asymmetric transmission
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2020.126346
Abstract: Abstract Here we demonstrate a photonic crystal heterostructure with 2-fold rotational symmetry elliptical shape lattice for highly efficient optical asymmetric transmission based on the self-collimation effect. The forward transmitted light can be collimated along the… read more here.
Keywords: fold rotational; rotational symmetry; photonic crystal; asymmetric transmission ... See more keywords
Experimental verification of asymmetric transmission in continuous omega-shaped metamaterials
Sign Up to like & getrecommendations! Published in 2018 at "RSC Advances"
DOI: 10.1039/c8ra08073a
Abstract: A bi-layer continuous omega-shaped metamaterial was proposed and fabricated to measure the asymmetric transmission (AT) effect of a linearly polarized light at near-infrared region. The metamaterial was fabricated by the electron-beam lithography method, and the… read more here.
Keywords: asymmetric transmission; omega shaped; experimental verification; continuous omega ... See more keywords
Broadband asymmetric transmission of linearly polarized electromagnetic waves based on chiral metamaterial
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Applied Physics"
DOI: 10.1063/1.5008614
Abstract: The giant optical activity of chiral metamaterials (CMMs) holds great potential for tailoring the polarization state of an electromagnetic (EM) wave. In controlling the polarization state, the aspect of asymmetric transmission (AT), where a medium… read more here.
Keywords: linearly polarized; transmission linearly; transmission; polarization ... See more keywords
Controllable asymmetric transmission via gap-tunable acoustic metasurface
Sign Up to like & getrecommendations! Published in 2018 at "Applied Physics Letters"
DOI: 10.1063/1.5023852
Abstract: In this work, we utilize the acoustic gradient metasurface (AGM) of a bilayer configuration to realize the controllable asymmetric transmission. Relying on the adjustable gap between the two composing layers, the metasurface could switch from… read more here.
Keywords: gap; tunable acoustic; transmission; controllable asymmetric ... See more keywords
Split Archimedean spiral metasurface for controllable GHz asymmetric transmission
Sign Up to like & getrecommendations! Published in 2019 at "Applied Physics Letters"
DOI: 10.1063/1.5084329
Abstract: A chiral metasurface, which obtains chirality through a subwavelength artificial structure, is essential for realizing asymmetric transmission in the application of enantioselective sensing, spin-dependent light emission, and other polarization control systems. Here, we studied a… read more here.
Keywords: archimedean spiral; transmission; spiral metasurface; asymmetric transmission ... See more keywords
Broadband asymmetric transmission via angle-induced chirality enhancement in split ring resonators
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Applied Physics"
DOI: 10.1063/5.0013033
Abstract: Asymmetric Transmission (AT) allows direction-sensitive control of electromagnetic waves that is highly desirable in optical and microwave communication applications. In this paper, an angle-induced chirality enhancement approach is proposed through the introduction of angled splits… read more here.
Keywords: transmission; split ring; angle induced; asymmetric transmission ... See more keywords
Dual-band metasurface for broadband asymmetric transmission with high efficiency
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Applied Physics"
DOI: 10.1063/5.0056700
Abstract: In this paper, a dual-band asymmetric transmission metasurface for linearly polarized wave is designed, analyzed, and verified experimentally for operation in S- and C-bands. The metasurface is established by a bi-anisotropy structure with three metallic… read more here.
Keywords: transmission; dual band; operation; metasurface ... See more keywords