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Fabrication of Optical Elements Using a Rapid UV-curable and Low-viscosity Polymer Material
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Update time: 2014-03-27
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Man Zhang , Zhiwei Li , Xiaochun Dong , Lifang Shi , Qiling Deng , and Chunlei Du

State Key Laboratory of Optical Technologies for Microfabrication, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China

Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 401122, China

Abstract

Polymer optical elements have widely been investigated because of their low cost and simple fabrication. Currently, UV-curable epoxy resins have been become general polymer materials for optical elements. However, they are still limited by their intrinsic properties, such as a relatively low rate of polymerization and high formulation viscosity. This paper proposed and demonstrated a rapid UV-curable process for polymer optical elements fabrication based on a UV-curable and low viscosity thiol-ene composition. Several optical elements, including one-dimensional gratings with a 10-um period, Dammann Gratings and microlens arrays (100 lens diameter), were fabricated by the UV-curable thiol-ene composition and their optical properties were examined in detail.

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