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    Dual circularly polarized broadside beam metasurface antenna

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    TAP2562662_free.pdf (6.288Mb)
    Date
    2016
    Author
    Ederra Urzainqui, Íñigo Upna Orcid
    Tellechea Pereda, Amagoia Upna Orcid
    Caminita, Francesco 
    Martini, Enrica 
    Iriarte Galarregui, Juan Carlos Upna Orcid
    Gonzalo García, Ramón Upna Orcid
    Maci, Stefano 
    Version
    Acceso abierto / Sarbide irekia
    Type
    Artículo / Artikulua
    Version
    Versión aceptada / Onetsi den bertsioa
    Project Identifier
    ES/1PE/TEC2013-47753 
    Impact
     
     
     
    10.1109/TAP.2016.2562662
     
     
     
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    Abstract
    This paper presents the design of a modulated metasurface (MTS) antenna capable to provide both righthand (RH) and left-hand (LH) circularly polarized (CP) boresight radiation at Ku-band (13.5 GHz). This antenna is based on the interaction of two cylindrical-wavefront surface wave (SW) modes of transverse electric (TE) and transverse magnetic (TM) types with a rotationally symmetric, anisotropic ... [++]
    This paper presents the design of a modulated metasurface (MTS) antenna capable to provide both righthand (RH) and left-hand (LH) circularly polarized (CP) boresight radiation at Ku-band (13.5 GHz). This antenna is based on the interaction of two cylindrical-wavefront surface wave (SW) modes of transverse electric (TE) and transverse magnetic (TM) types with a rotationally symmetric, anisotropic-modulated MTS placed on top of a grounded slab. A properly designed centered circular waveguide feed excites the two orthogonal (decoupled) SW modes and guarantees the balance of the power associated with each of them. By a proper selection of the anisotropy and modulation of the MTS pattern, the phase velocities of the two modes are synchronized, and leakage is generated in broadside direction with two orthogonal linear polarizations. When the circular waveguide is excited with two mutually orthogonal TE11 modes in phase–quadrature, an LHCP or RHCP antenna is obtained. This paper explains the feeding system and the MTS requirements that guarantee the balanced conditions of the TM/TE SWs and consequent generation of dual CP boresight radiation. [--]
    Subject
    Antennas, Dual polarization, Leaky waves, Left-hand circular polarization (LHCP), Metasurfaces (MTSs), Right-hand circular polarization (RHCP), Surface impedance, Surface waves (SWs)
     
    Publisher
    IEEE
    Published in
    IEEE Transactions on Antennas and Propagation, vol. 64, no. 7, July 2016
    Departament
    Universidad Pública de Navarra. Departamento de Ingeniería Eléctrica y Electrónica / Nafarroako Unibertsitate Publikoa. Ingeniaritza Elektriko eta Elektronikoa Saila
     
    Publisher version
    https://dx.doi.org/10.1109/TAP.2016.2562662
    URI
    https://hdl.handle.net/2454/26915
    Sponsorship
    This work was supported by COST ACTION IC1102, NEWFOCUS Research Networking Program and Spanish Ministry of Science and Innovation (project TEC2013-47753-C3-1-R).
    Appears in Collections
    • Artículos de revista - Aldizkari artikuluak [4205]
    • Artículos de revista DIEE - IEES Aldizkari artikuluak [359]
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