A polarization insensitive miniaturized pentaband metamaterial THz absorber for material sensing applications
Sign Up to like & getrecommendations! Published in 2021 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-021-02898-9
Abstract: The design of a novel THz metamaterial absorber (MTM-A) with the miniaturized size is proposed in this paper. The proposed MTM-A is developed on a lossy polyimide substrate. The unit cell consists of a square… read more here.
Keywords: thz; proposed mtm; polarization insensitive; insensitive miniaturized ... See more keywords
Actively electromagnetic modulation of IHI-shaped terahertz metamaterial with high-efficiency switching characteristic
Sign Up to like & getrecommendations! Published in 2019 at "Results in physics"
DOI: 10.1016/j.rinp.2019.102532
Abstract: Abstract We present terahertz (THz) metamaterial with multi-configurations, which are composed of H-shaped, II-shaped, and IHI-shaped configurations, respectively. By changing the geometrical dimension of H-shaped metamaterial, the electromagnetic response exhibits switch and bandwidth modulation characteristics… read more here.
Keywords: ihi; modulation; shaped metamaterial; ihi shaped ... See more keywords
Actively tunable dual-broadband graphene-based terahertz metamaterial absorber
Sign Up to like & getrecommendations! Published in 2021 at "Chinese Physics B"
DOI: 10.1088/1674-1056/ac0794
Abstract: A tunable metamaterial absorber (MA) with dual-broadband and high absorption properties at terahertz (THz) frequencies is designed in this work. The MA consists of a periodic array of flower-like monolayer graphene patterns at top, a… read more here.
Keywords: dual broadband; metamaterial absorber; thz thz; graphene ... See more keywords
Realization of absorption, filtering, and sensing in a single metamaterial structure combined with functional materials.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.459406
Abstract: In this paper, a hybrid vanadium dioxide (VO2)-graphene-based bifunctional metamaterial is proposed. The realization of the different functions of perfect transmission and high absorption is based on the insulator-metal phase transition of VO2 material. The… read more here.
Keywords: metamaterial structure; thz; realization; thz thz ... See more keywords
Multi-band terahertz absorber exploiting graphene metamaterial
Sign Up to like & getrecommendations! Published in 2018 at "Optical Materials Express"
DOI: 10.1364/ome.8.002928
Abstract: A dual-frequency broadband terahertz metamaterial absorber, composed of a periodically ellipse-shaped graphene array placed over a thin SiO2 layer and a lossy polyimide layer backed with a gold ground, is proposed in this article. The… read more here.
Keywords: terahertz absorber; thz thz; band terahertz; multi band ... See more keywords
Dual-Frequency Polarized Reconfigurable Terahertz Antenna Based on Graphene Metasurface and TOPAS
Sign Up to like & getrecommendations! Published in 2021 at "Micromachines"
DOI: 10.3390/mi12091088
Abstract: A hybrid dual-frequency polarized reconfigurable terahertz antenna is designed and studied. Graphene and TOPAS are employed as the polarization conversion metasurface and dielectric substrate, respectively, enabling tunable polarization conversion and circular polarization. TOPAS is a… read more here.
Keywords: topas; thz thz; thz; metasurface ... See more keywords
Dynamic Modulation of THz Absorption Frequency, Bandwidth, and Amplitude via Strontium Titanate and Graphene
Sign Up to like & getrecommendations! Published in 2022 at "Nanomaterials"
DOI: 10.3390/nano12081353
Abstract: A multi-functional broadband absorber based on graphene and strontium titanate (STO) film was designed. Additionally, the frequency, bandwidth, and amplitude of the absorber could be tuned by adjusting temperature and Fermi level of the graphene.… read more here.
Keywords: graphene; strontium titanate; thz; thz thz ... See more keywords