Caracterización experimental de medios quirales basados en inclusiones periódicas. El resonador de cuatro manivelas
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Author/sNúñez Trigueros, María Jose; Margineda Puigpelat, Jose; García Collado, Ángel Joaquín; Molina Cuberos, Gregorio José
Discipline/sIngeniería, Industria y Construcción
The periodical distribution of elements forming a bi- or three-dimensional periodical lattice has provided a fundamental tool to develop new materials with exotic and, sometimes, amazing electromagnetic properties. Here we have analyzed the effects related to the electromagnetic activity produced by a 2D array of four crank resonators (4CR), which is composed by same handeness cranks in a packed configuration forming a parallelepiped. The sample has been built using printed circuit technology and the unit cell was designed to fit its electromagnetic response into the X band frequency range. Using a free-wave system and the corresponding reciprocal algorithms, we have characterized the material and determined the rotation angle, refraction index and chirality parameter.