Design and fabrication of a W-band linear array of planar antennas and study for the enhancement of its radiation properties with a chiral metamaterial cover
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AuthorGutiérrez Asueta, Jéssica; Fernández Fernández, Óscar; Pascual Gutiérrez, Juan Pablo; Gómez Gómez, Álvaro; Tazón Puente, Antonio; Vegas García, Ángel; Touhami, Naima Amar
This work presents the design, fabrication and measurements of a W-band linear array of planar antennas. The structure of the antenna, which presents as benefit low cost and easy manufacture, is composed of three planar patches fed by slots. The simulation and the experimental results are compared showing a good agreement. In order to enhance the radiation properties, a chiral metamaterial cover is added to the antenna array. The chiral meta material cover is formed by two layers of mutually twisted planar metal rosettes in parallel planes and it is expected to enhance the directivity of the antenna array.