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Tuneable bioinspired lens
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Charmet, Jérôme, Barton, Rupert and Oyen, Michelle (2015) Tuneable bioinspired lens. Bioinspiration & Biomimetics, 10 (4). 046004. doi:10.1088/1748-3190/10/4/046004 ISSN 1748-3182.
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Official URL: http://dx.doi.org/10.1088/1748-3190/10/4/046004
Abstract
Bioinspired lenses that rely on changes of curvature to achieve focus are interesting candidates for miniaturized tuneable lenses as they require fewer mechanical moving parts compared to their conventional counter-parts. The lens described in this manuscript closely mimics the design and actuation principle of the vertebrate lens. It consists of a liquid lens encapsulated in a transparent polymer membrane. Application of a radial strain changes the curvature of the lens thereby changing its focal length. The unstrained lens has a focal length of 50 mm, which rises to a value of 100 mm at a maximum radial strain of 0.67%. This range compares favourably to both biological lenses and other published examples of biomimetic lenses. Finally we point out a few routes to improve the quality of the lens and expand its focal length range.
Item Type: | Journal Article | ||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
Journal or Publication Title: | Bioinspiration & Biomimetics | ||||||||
Publisher: | Institute of Physics Publishing Ltd. | ||||||||
ISSN: | 1748-3182 | ||||||||
Official Date: | 29 June 2015 | ||||||||
Dates: |
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Volume: | 10 | ||||||||
Number: | 4 | ||||||||
Article Number: | 046004 | ||||||||
DOI: | 10.1088/1748-3190/10/4/046004 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access |
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