Graphene-based hyperbolic metamaterial
WebFigure 1. Graphene-based multilayer HM topology, comprises graphene sheets as inductive surfaces stacked with dielectric spacers leading to hyperbolic dispersion at terahertz and … WebFeb 10, 2014 · A kind of tunable hyperbolic metamaterial (HMM) based on the graphene-dielectric layered structure at near-infrared frequencies is presented, and the engineered surface Bloch waves between graphene-based HMM and isotropic medium are investigated. Our calculations demonstrate that the frequency and f …
Graphene-based hyperbolic metamaterial
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WebApr 1, 2024 · A tunable hyperbolic graphene-polar dielectric metamaterial is proposed. The proposed metamaterial is analyzed using transfer matrix method. The proposed …
WebFeb 4, 2016 · Graphene is a two-dimensional (2D) semi-metal with a thickness of only one atom 22, 23. It has been shown that doped graphene is a good infrared plasmonic material in terms of material loss 24.... WebA kind of tunable hyperbolic metamaterial (HMM) based on the graphene-dielectric layered structure at near-infrared frequencies is presented, and the engineered surface Bloch waves between graphene-based HMM and isotropic medium are investigated. Our calculations demonstrate that the frequency and frequency range of surface Bloch waves …
WebJun 27, 2014 · Graphene-based hyperbolic metamaterials Our graphene-based HMM is representatively shown in Fig. 1 (a). It is a graphene multilayer structure in which separations between graphene sheets... WebRef. studied an NFTPV system consisting of a tungsten-nanowire-based hyperbolic metamaterial emitter and an In 0.2 Ga 0.8 Sb cell. By optimizing the filling ratio of Al 2 O 3, the maximum electric power peaked at 58.0 W/cm 2 thanks to the high temperature difference between the emitter and the receiver. Ref.
WebWe introduce graphene-based hyperbolic metamaterial for terahertz frequencies. The LDOS as well as the scattered power by a microsphere at its surface are enhanced by …
WebNov 29, 2024 · The structure under consideration (Fig. 1) consists of two building blocks: grating made of Si (\(\varepsilon = \varepsilon_{g} = 12.25\)) and a slab of graphene-dielectric metamaterial.The function of the first building block is creation of higher-order transmission channel(s). In such a case, the coupling of the incident waves differs for the … ts inter 1st year hall tickets 2022WebDec 22, 2014 · On the other hand, due to two dimensional nature and metallic characteristics of graphene in the frequency range where hexagonal Boron Nitride behaves as a type-I hyperbolic Metamaterial, we have ... philza look outWebGraphene based hyperbolic metamaterial for tunable mid-infrared biosensing Sarah Cynthia, a Rajib Ahmed, b Sharnali Islam, a Khaleda Ali a and Mainul Hossain *a Author affiliations Abstract Plasmonic biosensors, operating in the mid-infrared (mid-IR) region, are well-suited for highly specific and label-free optical biosensing. philza in a dressWebJul 13, 2013 · Graphene-based hyperbolic metamaterial. Abstract: We introduce a graphene-based composite multilayer structure that exhibits hyperbolic-like … philza in gacha clubWebSep 1, 2024 · The combination of graphene and metallic metamaterials is the best means to attain active control of the electromagnetic wave. A C-shaped unit cell with a graphene … ts inter 1st year study materialWebSep 10, 2024 · The GH effect at the interface of a graphene-based hyperbolic metamaterial slab is investigated. A Gaussian beam with TM polarization in a total … philza inspired playlistWebMar 2, 2024 · A tunable graphene-based hyperbolic metamaterial is designed and numerically investigated in the mid-infrared frequencies. Theoretical analysis proves that by adjusting the chemical potential of graphene from 0.2 eV to 0.8 eV, the reflectance can be blue-shifted up to 2.3 µm. Furthermore, by modifying the number of graphene … ts inter 1st year memo download 2021