Extremely high Q-factor toroidal metamaterials
classification
⚛️ physics.class-ph
keywords
toroidaldipolarhighmetamaterialsmetamoleculesq-factoraccessibleconfined
read the original abstract
We demonstrate that, owing to the unique topology of the toroidal dipolar mode, its electric/magnetic field can be spatially confined within subwavelength, externally accessible regions of the metamolecules, which makes the toroidal planar metamaterials a viable platform for high Q-factor resonators due to interfering toroidal and other dipolar modes in metamolecules.
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