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Adaptive liquid microlenses activated by stimuli-responsive hydrogels

Author

Listed:
  • Liang Dong

    (Department of Electrical and Computer Engineering)

  • Abhishek K. Agarwal

    (Department of Electrical and Computer Engineering)

  • David J. Beebe

    (University of Wisconsin-Madison)

  • Hongrui Jiang

    (Department of Electrical and Computer Engineering)

Abstract

Smart liquid microlenses The trend towards miniaturization in optical imaging, diagnostics and lab-on-a-chip technology is creating a demand for sophisticated microlenses. A new type of smart liquid microlens has been developed that differs from most current devices in that it is self-focusing. The key component is a stimuli-responsive hydrogel integrated into a microfluidic system and acting as a container for a liquid droplet. The hydrogel simultaneously senses stimuli and actuates a change in droplet shape — and hence focal length. Stimuli can include biological and chemical agents and physical parameters. At this micrometre scale, pinned liquid-liquid interfaces are used to attain stable devices, and response times of ten to a few tens of seconds. Lenses can have virtually any focal length and are readily integrated into arrays.

Suggested Citation

  • Liang Dong & Abhishek K. Agarwal & David J. Beebe & Hongrui Jiang, 2006. "Adaptive liquid microlenses activated by stimuli-responsive hydrogels," Nature, Nature, vol. 442(7102), pages 551-554, August.
    • Handle: RePEc:nat:nature:v:442:y:2006:i:7102:d:10.1038_nature05024
    DOI: 10.1038/nature05024
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    Cited by:

    1. Pang Zhu & Qingchuan Song & Sagar Bhagwat & Fadoua Mayoussi & Andreas Goralczyk & Niloofar Nekoonam & Mario Sanjaya & Peilong Hou & Silvio Tisato & Frederik Kotz-Helmer & Dorothea Helmer & Bastian E. , 2024. "Generation of precision microstructures based on reconfigurable photoresponsive hydrogels for high-resolution polymer replication and microoptics," Nature Communications, Nature, vol. 15(1), pages 1-10, December.

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