Sharp Toroidal Resonances in Planar Terahertz Metasurfaces
A toroidal dipole in metasurfaces provides an alternate approach for the excitation of high-Q resonances. In contrast to conventional multipoles, the toroidal dipole interaction strength depends on the time derivative of the surrounding electric field.
Main Authors: | , , , , , , , , |
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Other Authors: | |
Format: | Journal Article |
Language: | English |
Published: |
2017
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Subjects: | |
Online Access: | https://hdl.handle.net/10356/83782 http://hdl.handle.net/10220/42751 |