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

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

doi:10.1038/s41467-022-32987-6

Nature Communications (Oct 2022)

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

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

Affiliations

Byoungsu Ko: Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH)
Trevon Badloe: Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH)
Younghwan Yang: Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH)
Jeonghoon Park: Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH)
Jaekyung Kim: Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH)
Heonyeong Jeong: Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH)
Chunghwan Jung: Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH)
Junsuk Rho: Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH)

DOI: https://doi.org/10.1038/s41467-022-32987-6
Journal volume & issue: Vol. 13, no. 1
pp. 1 – 10

Abstract

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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.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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