By using microfluidics to control the refractive index of the fluid surrounding dielectric metasurfaces, the optical response and functionality of metasurface devices can be tuned on-demand to enable comprehensive control of the flow of light.
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Ndukaife, J.C. Merging metasurfaces with microfluidics. Nat. Nanotechnol. 17, 1042–1043 (2022). https://doi.org/10.1038/s41565-022-01203-3
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DOI: https://doi.org/10.1038/s41565-022-01203-3
