Pure toroidal dipole in a single dielectric disk.
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DOI: 10.1364/oe.468645
Abstract: The toroidal dipole is a peculiar electromagnetic excitation and has attracted increasing interests because of unusual radiation characteristics. However, the realization of toroidal moment requires complicated structure and are often disturbed by the conventional electric… read more here.
Keywords: pure toroidal; toroidal dipole; dielectric disk;