OPTIMAL HELIX SHAPE: EQUALITY OF DIELECTRIC,MAGNETIC, AND CHIRAL SUSCEPTIBILITIES

摘要

The possibility of linearly polarized electromagnetic microwave conversion into a circularly polarized waveusing single-turn helices with preliminary calculated optimal parameters is demonstrated. The helices arecharacterized by equal dielectric, magnetic, and chiral susceptibilities. Such optimal helices can be furtherused, for example, to develop reflectionless coatings and metamaterials with negative electromagnetic waverefraction. It is demonstrated that the examined helices activated by both electric and magnetic fields, that is,for any arbitrary orientation of the incident wave polarization plane, have optimal characteristics. This is theadvantage of the optimal helices over other possible metamaterial elements, for example, rectilinear vibratorsor circular resonators.