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. 2021 Nov 2;10:222. doi: 10.1038/s41377-021-00667-7

Fig. 3. Optical characterization of the metasurface-based CVB multiplexer/demultiplexer.

Fig. 3

a Left: simulated optical intensity distribution of the CVB at different diffraction order (m = +1 and m = −2); middle and right: measured intensity profiles are shown both with and without a linear polarizer placed in front of the camera. b Simulated and measured reflection coefficients RLR and RLL for circularly polarized light