Fig. 6. Spin-multiplexed near- and deep-UV metaholograms.

a Schematic representation of the holographic image projection by the spin-multiplexed metahologram ${\mathrm{H}}_{364}^{\mathrm{spin}}$ under LCP or RCP illumination at λ₀ = 364 nm. b Measured holographic images projected by metahologram ${\mathrm{H}}_{364}^{\mathrm{spin}}$ in the z = 40 mm plane under LCP illumination (top image) and RCP illumination (bottom image). c Schematic representation of the holographic image projection by the spin-multiplexed metahologram ${\mathrm{H}}_{266}^{\mathrm{spin}}$ under LCP or RCP illumination at λ₀ = 266 nm. d Measured holographic images projected by metahologram ${\mathrm{H}}_{266}^{\mathrm{spin}}$ in the z = 40 mm plane under LCP illumination (top image) and RCP illumination (bottom image)