Actividad electromagnética de medios quirales basados en manivelas
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Author/sMargineda Puigpelat, Jose; Martín Rodríguez, Ernesto; Núñez Trigueros, María Jose; Molina Cuberos, Gregorio José; García Collado, Ángel Joaquín
Discipline/sIngeniería, Industria y Construcción
Materials with electromagnetic activity are usually made by spreading helices inclusions into a host medium. In previous work, a new manufacturing technique based on the inclusion of few three segment wire hooks (cranks) was presented and the rotation of the polarisation angle in circular waveguide discussed. Here we present that the random inclusion of many cranks into a host medium produces electromagnetically active materials. Based on a free-wave experimental system, we have found that the transmitted wave through the material is rotated with respect to the incident one. First results seem to be in agreement with the typical behaviour of chiral media at the resonant frequency.