Optical Design and Engineering

Polymeric microlens array formed directly on glass plate

[+] Author Affiliations
Zuowei Zhou, Hongwen Ren

Chonbuk National University, BK Plus Haptic Polymer Composite Research Team, Department of Polymer Nano Science and Technology, Jeonju, Chonbuk, Republic of Korea

Opt. Eng. 56(1), 015106 (Jan 26, 2017). doi:10.1117/1.OE.56.1.015106
History: Received November 9, 2016; Accepted January 5, 2017
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Abstract.  We prepared a polymeric microlens array (MLA) using ultraviolet (UV) light to cure photosensitive monomers through a photomask. After a short-time UV exposure, the uncured monomers experience a process of partial wetting and self-development on the surface of cured monomers. As a result, a geometric relief with a lens character is generated. Depending on the pattern of the photomask, either a convex or concave MLA can be fabricated. The mechanism of forming the MLA is explained and the concept is proved experimentally. Owing to the merits of simple fabrication, good flexibility, and high optical performance, the MLA has potential applications in light diffusers, fiber/organic light-emitting diode couplers, biomedical imaging, and displays.

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© 2017 Society of Photo-Optical Instrumentation Engineers

Citation

Zuowei Zhou and Hongwen Ren
"Polymeric microlens array formed directly on glass plate", Opt. Eng. 56(1), 015106 (Jan 26, 2017). ; http://dx.doi.org/10.1117/1.OE.56.1.015106


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