Fig. 1: L-shaped chiral dielectric metamaterial fabrication process.
From: Controlling the broadband enhanced light chirality with L-shaped dielectric metamaterials

a Electron beam assisted GLAD fabrication process. The evaporated particle flux impinges on the sample surface under oblique angles. b Schematic diagrams of the two-step bottom-up process to fabricate the presented chiral L-shaped metamaterials. c Circular polarized transmission and reflection coefficients and schematic of the proposed metamaterials. The zoomed-in illustration demonstrates the geometrical parameters of one L-shaped nanopillar, where β is the rotation angle of the second tilted nanopillar, θs is the initial deposition slanting angle, and dTOT is the total metamaterial thickness.