author = "Barroso, Joaquim Jos{\'e} and Tomaz, Antonio and Hasar, Ugur C.",
          affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and {Instituto 
                         Tecnol{\'o}gico de Aeron{\'a}utica (ITA)} and {University of 
                title = "Refractive properties of wire-grid metamaterials",
              journal = "Journal of Electromagnetic Waves and Applications",
                 year = "2014",
               volume = "28",
               number = "3",
                pages = "389--398",
                month = "Feb.",
             keywords = "antenna directivity enhancement, artificial dielectric, 
                         constitutive parameters, metamaterial, near-zero refractive 
             abstract = "This paper reports on a quantitative analysis of the 
                         electromagnetic properties of an arrangement of periodic metallic 
                         grids devised to provide in the 12.5-20.0 GHz frequency range a 
                         refractive index less than unity with view to enhance the 
                         functionalities of microwave horn antennas. Based on an analytical 
                         model, the ultra-refractive behavior of the metamaterial structure 
                         is demonstrated by the impedance and refractive index values 
                         retrieved from simulated scattering parameters.",
                  doi = "10.1080/09205071.2013.872057",
                  url = "http://dx.doi.org/10.1080/09205071.2013.872057",
                 issn = "0920-5071",
                label = "self-archiving-INPE-MCTI-GOV-BR",
             language = "en",
        urlaccessdate = "26 nov. 2020"