Tunable metasurfaces via the humidity responsive swelling of single-step imprinted polyvinyl alcohol nanostructures

oleh: Byoungsu Ko, Trevon Badloe, Younghwan Yang, Jeonghoon Park, Jaekyung Kim, Heonyeong Jeong, Chunghwan Jung, Junsuk Rho

Format: Article
Diterbitkan: Nature Portfolio 2022-10-01

Deskripsi

PVA is a hydrogel that has attractive swelling properties for use in tunable photonic applications. Here, the authors exploit PVA with nanoimprint lithography to realize multiplexed optical encryption metasurfaces to display, hide, and destroy encrypted information.