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Schematic configuration of a primary type of LCPG.
Contour map of polarization grating viewing angle of order (a) 0th order and (b) ∑ ± 1st order.
Angular response of grating with different thickness, fixing grating pitch Λ to be 3 μm: (a) d = 1.0 μm and (b) d = 1.5 μm.
Angular response of grating with different pitch, fixing grating thickness to be 1.0 μm: (a) Λ = 2 μm and (b) Λ = 5 μm.
Microscope photos of polarization grating with different pitches: (a) Λ = 2 μm, (b) Λ = 3 μm, and (c) Λ = 4 μm.
Measured viewing angle performance compared with calculated data of PG with different pitch (a) Λ = 2 μm and (b) Λ = 4 μm.
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