Fig. 1From: Polarization Converter with Controllable Birefringence Based on Hybrid All-Dielectric-Graphene MetasurfaceSchematic illustrations. a. Unit cell dimensions: L1 = 450 nm, L2 = 370 nm, h = 110 nm, W = 60 nm, P x = 600 nm, and P y = 560 nm. b. Incident linearly polarized light at an angle of polarization, α, converted to circularly polarized light through the structureBack to article page