Abstract

In this paper, we present an extrusion printing technique for producing spherical and cylindrical plano-convex microlens arrays with controllable feature dimensions. This technique employs a robotic adhesive dispenser for robotically controlled microextrusion of ultraviolet (UV) curable polymer onto a glass substrate surface to directly deposit the microlens arrays. It provides a simple and flexible alternative to fabricate both spherical and cylindrical microlens arrays.

© 2016 Optical Society of America

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Supplementary Material (5)

NameDescription
» Visualization 1: MP4 (1874 KB)      Spherical microlens extrusion printing.
» Visualization 2: MP4 (1227 KB)      Cylindrical microlens extrusion printing.
» Visualization 3: MP4 (2397 KB)      The process of spherical microlens extrusion printing.
» Visualization 4: MP4 (1427 KB)      The effect of the short dwell time on extrusion printing.
» Visualization 5: MP4 (2076 KB)      The effect of the small height on extrusion printing.

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