Nanoscale refractive index sensor with ultrahigh figure of merit based on toroidal dielectric metasurfaces
Luxi Yuan, Chunqiao Qiu, Ze Liao, Maohua Gong, Long Yang, Rong Yang, Zhengren Zhang
Topics & Concepts
Figure of meritRefractive indexDipoleOpticsDielectricToroidElectric fieldPlasmonPhysicsMagnetic dipoleOptoelectronicsMaterials sciencePlasmaQuantum mechanicsMetamaterials and Metasurfaces ApplicationsPlasmonic and Surface Plasmon ResearchAdvanced Antenna and Metasurface Technologies