Terahertz polarization sensing for influenza A virus based on plasmonic metasurface
Hai Liu,
Xiaolin Wang,
Cong Chen
et al.
Abstract:Terahertz metasurface sensors attract extensive attention for excellent characterisics. However, most existing sensing schemes overlooked the polarization state of electromagnetic waves. Here, we propose a plasmonic metasurface sensor based on the elliptical polarization state of reflected EM wave, which can be used for the sensing of influenza A virus. The sensor achieves the conversion from linear polarization to circular polarization within 1–3 THz. By analysing the electromagnetic field distributions of th… Show more
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