Terahertz metamaterials and metasurfaces
WebApr 5, 2024 · Broadband terahertz polarization converter/absorber based on the phase transition properties of vanadium dioxide in a reconfigurable metamaterial. ... Towards … WebVenice, just south of Sarasota along Florida’s white-sanded Gulf Coast, offers 14 miles of beaches, from Casey Key to Manasota Key and plenty of recreational opportunities, including swimming, sunbathing, fishing and boating. Shelling is also a favorite pastime in Venice, and fossilized shark's teeth can be found in abundance by sifting ...
Terahertz metamaterials and metasurfaces
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WebNov 3, 2024 · Graphene-based metamaterials or metasurfaces are usually polarization sensitive and invalid for non-normal incidence, leading to the degradation and disappearance of the sensing capability . In this work, we propose a planar graphene metasurface, which is composed of a circular graphene ring and an H-shaped graphene … WebSep 1, 2007 · In recent years, various methods have been proposed to realize tunable terahertz metasurfaces, ... We present experimental results of metamaterials …
WebMar 2, 2015 · One of the most promising routes is to use metamaterials (or their two-dimensional version, metasurfaces). Metamaterials, artificial materials consisting of periodically arranged, sub-wavelength ... WebNov 12, 2024 · A planar metamaterial with one or a few layers of meta-atoms is called a metasurface. The metasurface can not only manipulate the amplitude, phase and polarization of the electromagnetic waves, but also has the advantages of being ultra-thin, ultra-light and easy to process.
WebFeb 1, 2024 · In this paper, we propose an ultra-high sensitivity terahertz senor based on tunable PIT effect in a simple monolayer graphene metasurface. A periodic structure of our designed metasurface is composed of a wide horizontal graphene and two graphene sheets as bright mode and dark mode, respectively. Web1 day ago · The conversion from a low- to high-bit programmable metasurface using a spatiotemporal metasurface. • The space-time-coding metasurfaces aiding in the …
WebMar 1, 2024 · In the chiral metasurfaces whose unit cell consists of two basic resonators – a wire and a split ring resonator (SRR), we observe the asymmetrical transmission for circularly polarized state from...
WebA uniform illumination over a screen is crucial for terahertz imaging. As such, conversion from a Gaussian beam to a flattop beam becomes necessary. Most of the current beam conversion techniques rely on bulky multi-lens systems for collimated input and operate in the far-field. We present a single metasurface lens to efficiently convert a quasi-Gaussian … 動物フォーゼ ブルーロックWebAug 20, 2024 · Metamaterials or metasurfaces consist of periodic arrays of subwavelength unit cells, which exhibit properties unattainable from natural materials by imitating the … 動物フォーゼ 東リべWebMar 22, 2024 · Grady, N. K. et al. Terahertz metamaterials for linear polarization conversion and anomalous refraction. Science 340, 1304-1307 (2013). doi: … 動物フォーゼ ゴールデンカムイWebApr 12, 2024 · Metasurfaces – functional materials endowed with unparalleled flexibility to manipulate light at the deep-subwavelength scale – provide a powerful platform for dynamic control of THz waves ... 動物フォーゼ 月島WebApr 5, 2024 · Broadband terahertz polarization converter/absorber based on the phase transition properties of vanadium dioxide in a reconfigurable metamaterial. ... Towards Functional Metamaterials and Metadevices. 2024, 31.1.1-31.1.4. ... Research progress of non-Hermitian electromagnetic metasurfaces. Acta Physica Sinica 2024, 71 (24) , ... aviot イヤホン ペアリング te-01gvWebSep 25, 2024 · Metasurfaces employed for terahertz manipulation of phase, amplitude, or polarization of terahertz waves have limitations in radiation efficiency which is attributed to losses in the materials constituting the devices. aviot イヤホン ペアリング パソコンWebMar 2, 2015 · Recently, metasurfaces operating in the THz frequency range have been used in chemical and biological sensing with enhanced sensitivities to microenvironmental variations, by taking advantage of... aviot イヤホン ペアリング iphone