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    Wideband backscattering reduction at terahertz using compound reflection grating

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    WidebandBackscattering.pdf (2.297Mb)
    Date
    2017
    Author
    Orazbayev, Bakhtiyar Upna
     
     
    Version
    Acceso abierto / Sarbide irekia
    xmlui.dri2xhtml.METS-1.0.item-type
    Artículo / Artikulua
    Version
    Versión publicada / Argitaratu den bertsioa
    Project Identifier
    ES/1PE/TEC2014-51902 
    Impact
     
     
     
    10.1364/OE.25.022905
     
     
     
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    Abstract
    Backscattering reduction is usually achieved by using either absorbers or diffractions gratings at the expense of a narrow bandwidth. In this paper, we propose a different strategy based on a metallic compound reflection grating (CRG). We demonstrate that this structure allows a strong and broadband (fractional bandwidth, FBW ≈57%) backscattering reduction in the terahertz (THz) range by efficien ... [++]
    Backscattering reduction is usually achieved by using either absorbers or diffractions gratings at the expense of a narrow bandwidth. In this paper, we propose a different strategy based on a metallic compound reflection grating (CRG). We demonstrate that this structure allows a strong and broadband (fractional bandwidth, FBW ≈57%) backscattering reduction in the terahertz (THz) range by efficiently transferring the incident energy to the diffracted modes. The design is analyzed in terms of equivalent circuit and numerical simulations and the results are corroborated by a manufactured prototype operating at 0.35 THz. [--]
    Subject
    Backscattering, Diffraction gratings
     
    Publisher
    Optical Society of America
    Published in
    Optics Express, Vol. 25, Issue 19, pp. 22905-22910 (2017)
    Departament
    Universidad Pública de Navarra. Departamento de Ingeniería Eléctrica y Electrónica / Nafarroako Unibertsitate Publikoa. Ingeniaritza Elektriko eta Elektronikoa Saila / Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa. ISC - Institute of Smart Cities
     
    Publisher version
    https://doi.org/10.1364/OE.25.022905
    URI
    https://hdl.handle.net/2454/25573
    Sponsorship
    MINECO (Project TEC2014-51902-C2-2-R); P.R.-U. sponsored by UPNA FPI PhD grant.
    Appears in Collections
    • Artículos de revista DIEE - IEES Aldizkari artikuluak [346]
    • Artículos de revista - Aldizkari artikuluak [2947]
    • Artículos de revista ISC - ISC aldizkari artikuluak [208]
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