Biconvex Polymer Microlenses with Tunable Imaging Properties Designed by Janus Droplet Microfluidics

DOI Web Site 被引用文献2件 参考文献19件 オープンアクセス
  • Takasi Nisisako
    Precision and Intelligence Laboratory, Tokyo Institute of Technology, R2-6, 4259 Nagatsuta-cho, Midori-ku,Yokohama, Kanagawa 226-8503, Japan
  • Haruka Suzuki
    Precision and Intelligence Laboratory, Tokyo Institute of Technology, R2-6, 4259 Nagatsuta-cho, Midori-ku,Yokohama, Kanagawa 226-8503, Japan
  • Takeshi Hatsuzawa
    Precision and Intelligence Laboratory, Tokyo Institute of Technology, R2-6, 4259 Nagatsuta-cho, Midori-ku,Yokohama, Kanagawa 226-8503, Japan

書誌事項

公開日
2015-09-29
権利情報
  • https://creativecommons.org/licenses/by/4.0/
DOI
  • 10.3390/mi6101428
公開者
MDPI AG

説明

<jats:p>This work presents a technique for fabricating biconvex polymer microlenses using microfluidics, and then evaluates their tunable optical properties. A glass microfluidic channel was employed to rapidly mass-produce nanoliter-sized biphasic Janus droplets, which consist of a biconvex segment of a photocurable monomer and a concave-convex segment of a non-curable silicone oil that contained a surfactant. Subsequent photopolymerization produces polymeric biconvex spherical microlenses with templated dual curvatures. By changing the flow-rate ratios of the photocurable and non-curable droplet phases in the microfluidic channel, the radii of curvature of the two lens surfaces and the thicknesses of the resultant microlenses can be varied. The resulting biconvex microlenses with different shapes were used in image projection experiments. Different magnification properties were observed, and were consistent with the properties estimated quantitatively from the geometrical parameters of the lenses.</jats:p>

収録刊行物

  • Micromachines

    Micromachines 6 (10), 1435-1444, 2015-09-29

    MDPI AG

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