Polarization insensitive dynamic light beam deflection device based on metasurface and implementation method of polarization insensitive dynamic light beam deflection device based on metasurface

The invention discloses a polarization insensitive dynamic light beam deflection device based on a super-structure surface and an implementation method, and relates to the technical field of micro-nano optical devices. The liquid crystal display sequentially comprises a bottom dielectric substrate, a metal reflecting layer, a dielectric nano-column structure array, a first dielectric material layer, a second dielectric material layer, nematic liquid crystal, a photo-induced orientation layer, an indium tin oxide transparent electrode and a top transparent dielectric substrate, wherein the dielectric nano-column structure array is coated in the first dielectric material layer. The metasurface and the liquid crystal are integrated, and different voltages are applied to the liquid crystal to regulate and control the refractive index of the liquid crystal, so that the phase delay of emergent light of the metasurface is regulated and controlled, different phase gradients are constructed, and dynamic adjustment of