Dielectric cross-shaped resonator based metasurface for vortex beam generation in Mid-IR and THz wavelengths

Raghu Dharmavarapu, Ken-ichi Izumi, Ikufumi Katayama +7

Metasurfaces are engineered thin surfaces comprising two dimensional (2D) arrays of sub-wavelength spaced and sub-wavelength sized resonators. Metasurfaces can locally manipulate t…