Figure 1 | Spin-multiplexing imaging using nonlocal Huygens’ meta-lens. (IMAGE)

Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS

Figure 1 | Spin-multiplexing imaging using nonlocal Huygens’ meta-lens.

Caption

 a, Schematic illustration of spin-multiplexing nonlocal Huygens’ meta-lens. Upon illumination with RCP light, the excited nonlocal resonance generates wavelength-selective properties and incident-angle dependence. By geometrically rotating each unit, the output LCP light exhibits a focusing phase profile for bright-field imaging, while the output RCP light without phase modulation is employed for edge detection. Insets are schematic diagrams of spectral responses output LCP and RCP lights required by spin-multiplexing imaging. b, Functional relationship between transmission efficiencies TRL and TRR in an ultrathin metasurface.

Credit

by Jin Yao, Yubin Fan et al.

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CC BY

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