Micro-structured functional surfaces have achieved widespread applications in various
advanced scientific, technological, industrial, and engineered fields due to their excellent …

Fresnel lenses are important compact optical components, which are comprised of multiple
faceted concentric rings. These lenses are the most widely utilized diffractive optical element …

Multiscale structured surfaces are a way to provide advanced, otherwise not attainable
functionality on a technical part. Applications of such parts can be manifold, and numerous …

Generation of micron-scale structures on a substrate is an emerging area in the
manufacturing sector owing to its application in different fields such as micro-lenses, micro …

Polymers are widely used in optical devices, electronic devices, energy‐harvesting/storage
devices, and sensors, owing to their low weight, excellent flexibility, and simple fabrication …

Thanks to the recent development in diffractive optical element (DOE) fabrication technique,
large aperture diffractive telescope systems have been tremendously studied to achieve …

In roll-to-roll (R2R) manufacturing of high-quality optical Fresnel lens films, a high-precision
roller mold with fine surface finish is essential to precisely transfer the functional …

Hot embossing (HE) is a micro-manufacturing technique used to develop micro and nano-
scaled patterns over a polymer workpiece. The traditional-HE process is only partially …

Abstract In Roll-to-Roll manufacturing of optical films, direct diamond turning of radial
Fresnel lens structures on a roller mould was considered infeasible, due to the incapability …

Roll-to-roll nanoimprint lithography (R2R-NIL) is an enabling technology for the low-cost
mass production of high-quality micro-and nano-sized optical elements. Particularly, the …