Developing Chiral Media Based on the Inclusion of Metallic Cranks
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Author/sMargineda Puigpelat, Jose; Núñez Trigueros, María Jose; Martín Rodríguez, Ernesto; Molina Cuberos, Gregorio José; García Collado, Ángel Joaquín
Discipline/sIngeniería, Industria y Construcción
Materials science and technology
A review of the manufacturing techniques for developing chiral media based on the inclusion of cranks is presented. Chirality is usually obtained by a randomdistribution of helices in a host medium. Here the chiral elements are obtained by bending thin metal-wires in three segments. We will show that a random distribution of cranks is able of rotate the polarization angle of the transmitted linearly polarized wave at microwave frequencies. This effect can be enhanced by the precise location of cranks forming a 2D periodic lattice. Several structures are analyzed looking for isotropy, reciprocity and homogeneity.