Terahertz multi-metal-wire hybrid-cladding hollow waveguide for refractive index sensing
Yu Ying-Ying†, 
, Li Xu-You, He Kun-Peng, Sun Bo
, Li Xu-You, He Kun-Peng, Sun Bo (a) Transverse section of the hybrid-cladding hollow waveguide, (b) schematic diagram of the set-up for THz refractive index sensor.
