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Chiral Ball and Its Omnidirectional Circularly-Polarized Radiation
preprintposted on 2023-01-12, 15:51 authored by Wending Mai, Chunxu Mao, Galestan Mackertich-Sengerdy, Yifan Chen, Douglas H. Werner
Chiral structures have reported radiation of circular polarized electromagnetic waves (CPs) in a specific direction. Here we report a class of torus knot radiators that is not only chiral but also three-dimensional (3-D) rotational symmetric along X, Y and Z axes. Because of this exotic chirality and symmetry, the knot radiator presented is able to demonstrate omnidirectional circular polarized radiation, which has never been reported in any known structures.