Sensing in a toroidal coupled dual-band EIT terahertz metadevice
2022 WORKSHOP ON RECENT ADVANCES IN PHOTONICS (WRAP)(2022)
Abstract
The refractive index sensing is explored by exciting dual band electromagnetically induced transparency in a toroidal dipole-based terahertz metasurface. The high-sensitivity of the toroidal resonance could be significant in the design of highly sensitive multiband sensors and photonic devices.
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Key words
toroidal resonance, dual-band transparency, metamaterial, terahertz, sensing
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