Fig. 1: Schematic illustration of the proposed non-interleaved chiral metasurface for polarimetry.
From: Neural network assisted high-spatial-resolution polarimetry with non-interleaved chiral metasurfaces

n, l, and m are the independent focal lines corresponding to the three channels (RCP to LCP, LCP to RCP, and the co-CP part). A, B and C are the intersections. s0 corresponds to the off-center distance of the focal lines