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Microlens array (MLA) is a type of structured freeform surfaces which are widely used in advanced optical products. Fast tool servo (FTS) machining provides an indispensible solution for machining MLA with superior surface quality than traditional fabrication process for MLA. However, there are a lot of challenges in the characterization of the surface defects in FTS machining of MLA. This paper presents...
Optical microstructures have a small scale topography classified as micro-grooves, microlens arrays, pyramids, lenticulations, etc. They are widely applied in optical components such as light guide panels for electronic displays. Most previous research work focuses on either the characterization of individual scale topography, or the optical performance of optical microstructures. There is a lack...
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