Chen h t 2012 opt. express 20 7165

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WebOpt. Express 20 (7), 7054-7065 (2012) View: HTML PDF Optical trapping with “on-demand” two-photon luminescence using Cr:LiSAF laser with optically addressed … WebMar 1, 2012 · The theory developed here explains all features observed in narrowband metamaterial absorbers and therefore provides a profound understanding of the …

A tunable metamaterial absorber using varactor diodes

WebApr 1, 2013 · [6] Chen H T 2012 Opt. Express 20 7165 [7] Chen H T, Zhou J F , O’Hara J F , Chen F, Azad A K and T aylor A J 2010 Phys. Rev. Lett. 105 073901 [8] Cheng H et al 2012 J. Opt. 14 085102 WebJul 14, 2015 · For a grounded absorber, the absorption spectrum can be calculated by A(f) = 1 − R(f), where f is the operating frequency and the reflection coefficient is defined by R(f) = S pp 2 + S ps 2.The first reflectance term S pp is from co-polarization reflection, while the second term S ps is from cross-polarization reflection, which apparently has been … openhdf 6.4 image download

Design of Polarization- and Incident Angle-Independent Perfect ...

WebOpt. Express 20(13), 13711-13726 (2012) View: HTML PDF Narrow linewidth comb realized with a mode-locked fiber laser using an intra-cavity waveguide electro-optic … WebIn the THz band, at room temperature (hω ≪ 2E f), according to the bubbly incompatibility principle, the electrical conductivity of graphene can be simplified to the Drude model [50]: (1) σ ω, μ c, T, T = e 2 κ B T τ π ħ 2 (1 + j ω τ) μ c κ B T + 2 ln exp-μ c κ B T + 1 WebAug 12, 2024 · In this paper, we design and analyze a tunable dual and ultra-broadband metamaterial absorber for terahertz waves based on monolayer continuous structured graphene. With the aid of the variable conductivity of graphene, the designed absorber provides controllable absorption strength and bandwidth. openhdf 7 image download

Characteristics of high-contrast gratings based spoof surface …

Analysis of metamaterial absorber in normal and oblique …

WebNov 8, 2024 · [45] Chen H T 2012 Opt. Express 20 7165–72. Crossref; Google Scholar [46] Smith D R, Schultz S, Markos P and Soukoulis C M 2002 Phys. Rev. B 65 195104. Crossref; Google Scholar [47] Smith D R, Vier D C, Koschny T and Soukoulis C M 2005 Phys. Rev. E 71 036617. Crossref; Google Scholar WebApr 1, 2014 · [5] Chen H T 2012 Opt. Express 20 7165. Crossref; Google Scholar [6] Sun L K, Cheng H F, Zhou Y J and Wang J 2012 Opt. Express 20 4675. Crossref; Google … openhdf 6.5 image downloadWebMar 29, 2024 · Here, an ultra-compact double-layer graphene metasurface based absorber (GMSA) has been numerically designed using the finite integration technique (FIT) method, in which two graphene layers play... open hd600 cables

"WebFeb 10, 2024 · High-contrast gratings (HCGs) based spoof surface plasmon polaritons (SSPPs), as a new kind of SSPPs, have been proposed recently. Here, we study their particular mechanism and characteristics by c... " - Chen h t 2012 opt. express 20 7165

Chen h t 2012 opt. express 20 7165

(PDF) Terahertz absorber based on double-layer graphene …

WebSep 23, 2016 · Chen, H. T. Interference theory of metamaterial perfect absorbers. Opt. Express 20, 7165–7172 (2012). Article ADS PubMed Google Scholar WebOct 18, 2013 · Metamaterial absorber (MMA), which is a kind of thin electromagnetic absorber consisting of sub-wavelength metamaterial resonators and can exhibit near-perfect absorption characteristics, has been widely investigated in recently years. The impedance matching theory was proposed to analyze the configuration of MMA in most literatures. …

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WebAug 10, 2024 · Since the double-layer can reduce the loss, and the Fabry–Perot like resonant effect between the two layers can improve the conversion efficiency, this converter can rotate the incident y-polarized... WebMar 26, 2012 · Perfect absorbers are artificially created structures made of modified properties to satisfy certain conditions of a device in terms of impedance matching, reflection, transmission, and absorbance ...

WebAug 12, 2024 · [42] Chen H T 2012 Opt. Express 20 7165–72. Crossref; Google Scholar [43] Arezoomandan S, Quispe H O C, Ramey N, Nieves C A and Sensale-Rodriguez B … WebAug 14, 2014 · A perfect metamaterial absorber is realized and its properties are theoretically, numerically and experimentally investigated at microwave frequencies. In addition, polarization and incident angle independencies are also tested for the structure. Theoretical, numerical and experimental results show that the proposed model has many …

WebApr 24, 2024 · In this work, we numerically demonstrated a single narrow band THz absorber based on cylindrically shaped periodical p-type doped silicon with excellent attributes, including polarization insensitivity and optical tunability.Good absorption characteristics were demonstrated at 0.57 THz with an absorption of nearly 99.75% and … WebAug 4, 2024 · The nested L-dipole configuration supports circular polarization conversion between 262–306 THz frequency (980 nm–1.14 µ m wavelength) range. Full-wave simulations suggest clear enhancement of the surface currents with helical orientation leading to increased optical activity.

WebDec 31, 2024 · [30] Chen H T 2012 Opt. Express 20 7165–72. Go to reference in article Crossref Google Scholar [31] Zhao Y T, Wu B, Huang B J and Cheng Q 2024 Opt. Express 25 7161–9. Go to reference in article Crossref Google Scholar [32] Zheng X, Xiao Z and Ling X 2024 Plasmonics 13 287–91.

WebApr 26, 2013 · Chen proposed the interference theory to explain the physical mechanism of MMAs [6, 7]. A number of absorbers have been successfully realized which are either … iowa state p cardWebMay 1, 2014 · The multi-band metamaterial absorber consists of two metallic layers separated by a dielectric spacer. Theoretical and simulated results show that the … open hdfc kids advantage account onlineWebJun 22, 2024 · This article reviews recent advances in few-layer metasurfaces from the viewpoint of their scattering properties. The scattering matrix theory is briefly … iowa state penitentiary famous inmatesWebApr 26, 2013 · We present the design, analysis and measurements of a polarization-insensitive tunable metamaterial absorber with varactor diodes embedded between … open hdfc family accountWebMay 16, 2013 · There is excellent agreement among the numerical, experimental, and theoretical results. The device is able to rotate the linear polarization by 90°, with a … iowa state pedestrian bridge costWebJun 13, 2024 · [35)] Chen H.-T. 2012 Opt. Express 20 7165. Crossref; Google Scholar; Export references: BibTeX RIS. Back to top. 10.35848/1882-0786/ac727c You may also like. Undulator Scientist (f/m/d) European XFEL; Electronics Engineer / Physicist for digital and embedded systems. DESY; iowa state penitentiary fort madisonWebIn this paper a perfect absorber with a photonic crystal cavity (PhC-cavity) is numerically investigated for carbon dioxide (CO2) gas sensing application. Metallic structures in the form of silver are introduced for harnessing plasmonic effects to achieve perfect absorption. The sensor comprises a PhC-cavity, silver (Ag) stripes, and a host functional … open hdfc 0 balance account