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    Polarizador circular basado en estructura quiral metamaterial asimétrica

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    URI: http://hdl.handle.net/10902/7632
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    Author
    Fernández Fernández, ÓscarAutoridad Unican; Gómez Gómez, ÁlvaroAutoridad Unican; Vegas García, ÁngelAutoridad Unican
    Date
    2015-09
    Derechos
    © 2015 URSI España
    Publicado en
    URSI 2015, XXX Simposium Nacional de la Unión Científica Internacional de Radio, Pamplona
    Abstract:
    Planar Chiral MetaMaterials structures, based on mutually twisted faces or conjugated faces, with C4 symmetry, may present high optical activity but low circular dichroism values. In this communication, an Asymmetric CMM structure with high circular dichroism is proposed. Due to its lack of C4 symmetry, the transmission coefficients depend on the incident wave polarization and display high transmission for one polarization but low transmission for the orthogonal one. The proposed structure is then used to improve the radiation characteristics of a microstrip antenna. Taking advantage of the circular dichroism of the asymmetric chiral structure, the polarization of the radiated field can be modified, transforming the linear polarization of a basic microstrip antenna into circular polarization.
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    • D12 Congresos [542]

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    UNIVERSIDAD DE CANTABRIA

    Repositorio realizado por la Biblioteca Universitaria utilizando DSpace software
    Contact Us | Send Feedback
    Metadatos sujetos a:licencia de Creative Commons Reconocimiento 3.0 España