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. 2022 Jun 21;11:188. doi: 10.1038/s41377-022-00880-y

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Fig. 8 — a Reproduced image of the liquid crystal grating without applied voltage when the ‘flower’ is focused. b–h Seven diffraction images focused on the ‘flower’ when the voltage is applied to the liquid crystal grating. i Reproduced image of the liquid crystal grating without applied voltage when the ‘butterfly’ is focused. j–p Seven diffraction images focused on the ‘butterfly’ when the voltage is applied to the liquid crystal grating