HIGHLIGHTS
- who: Byoungsu Ko from the (UNIVERSITY) have published the article: Tunable metasurfaces via the humidity responsive swelling of single-step imprinted polyvinyl alcohol nanostructures, in the Journal: (JOURNAL) of 16/02/2022
- what: The authors investigate the use of nanostructured polyvinyl alcohol (PVA) using a one-step nanoimprinting technique for tunable and erasable optical security metasurfaces with multiplexed structural coloration and metaholography. The authors demonstrate various highly-secure multiplexed optical encryption metasurfaces to display, hide, or destroy encrypted information based on the relative humidity both irreversibly and reversibly. The authors report subwavelength, high-aspect ratio . . .
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