Graphene metasurface
WebMay 23, 2024 · The strong Smith–Purcell radiation on the graphene metasurface is due to the interaction between the electron bunch and periodic surface plasmon polaritons … WebNov 12, 2024 · Graphene metasurface is composed of large array of graphene cells, which results in collective plasmonic behaviour excited on the surface, realizing extraordinary electromagnetic properties. The …
Graphene metasurface
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WebJan 30, 2024 · 2 Graphene-based polarizer A schematic of the graphene-based metasurface polarizer has been presented in Fig. 1. The periodic view of the normal structure has been shown in Fig. 1 a. In the proposed structure graphene patch has been placed at the center of the overall design. WebApr 15, 2024 · Broadband terahertz tunable metasurface linear polarization converter based on graphene Zhang Hongtao et al., Opto-Electronic Engineering, 2024 Research progress of electromagnetic properties of …
WebSep 29, 2024 · A Broadband solar absorber using graphene metasurface is designed to absorb the visible region. The absorber is enhancing the absorption using graphene … WebJan 7, 2024 · The resulting electron-optics-based components are large in size and operate at low temperatures to avoid violating the ballistic transport limits. In this paper, Dirac …
WebNov 16, 2015 · We use a one-port resonator model to explain the essential features of the proposed metasurface, and we show that graphene is a gate-tunable loss material that … WebAug 23, 2024 · The TH power outflow of the proposed nonlinear graphene metasurface (black solid line) has the largest value in figure 5 compared to all the other scenarios: (a) the same dimensions as the graphene micro-ribbon metasurface on top of the same thickness dielectric layer but without gold substrate (purple dash-dotted line), (b) a uniform …
WebJan 1, 2024 · Abstract. We study an independently tunable Fano resonance from quasibound state in the continuum and polarization-independent toroidal dipole resonance in hybrid graphene–dielectric metasurface consisting of a nanoring and a cross-shaped nanobar. The unique structural properties of the proposed metasurface can support …
WebMar 23, 2024 · Figure 1 shows the schematic of the graphene silica layered based broadband metasurface polarizer structure. Figure 1a and b show the three-dimensional view and top view of the polarizer structure. Figure 1c shows the side view and the graphene stack arrangement of the polarizer structure. The graphene sheet has been … chuck weaponWebJan 25, 2024 · We propose a heat-reconfigurable metasurface composed of the silicon-based gold grating. The asymmetric Fano-like line shape is formed due to the mutual coupling of the local surface plasmon (LSP) in the gap between the two layers of Au gratings and the surface propagating plasmon (SPP) on the surface of the Au gratings. Then, we … chuck webberlyWebAbstract: Thermo-optic mechanism for plasmonics sensing of terahertz radiations is numerically and analytically investigated for metasurface formed from Graphene/SiO 2 and simulated at room temperature. For this purpose, here, by considering coupling condition as well as strong light-matter interaction in graphene metasurface a very compact footprint … destination wedding locations in the usWebApr 3, 2024 · In addition, graphene-based THz metasurface amplitude modulators are designed. When the depth of amplitude modulation is achieved by bias voltage modulation of the Fermi energy level of graphene, the maximum modulation amplitude is 23.42 dB, with a minimal modulation accuracy of 0.05 THz eV −1. In the article, the designed … destination wedding movie musicWebMar 8, 2024 · The combination of graphene and a metasurface holds great promise for dynamic manipulation of the electromagnetic wave from low terahertz to mid-infrared. The optical response of graphene is significantly enhanced by the highly-localized fields in the meta-atoms, and the characteristics of meta-atom … destination wedding miamiWebGraphene-empowered dynamic metasurfaces and metadevices Article navigation > Opto-Electronic Advances > 2024 Vol. 5 > No. 4 > 200098 Citation: Zeng C, Lu H, Mao D, Du YQ, Hua H et al. Graphene-empowered dynamic metasurfaces and metadevices. Opto-Electron Adv 5, 200098 (2024). doi: 10.29026/oea.2024.200098 Review Open Access chuck weber city of tampaWebApr 9, 2024 · The schematic of squared spiral-shaped graphene (SSSG) metasurface is presented in Fig. 1. The metasurface device is designed and analyzed for two different configurations such as SSSG-N and SSSG-C as showing in Fig. 1 a and b, respectively. Figure 1 c shows the top view of the structure. destination wedding marriage license jamaica