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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 10 — May. 14, 2007
  • pp: 5931–5936

Variable-focus liquid lens

Hongwen Ren and Shin-Tson Wu  »View Author Affiliations


Optics Express, Vol. 15, Issue 10, pp. 5931-5936 (2007)
http://dx.doi.org/10.1364/OE.15.005931


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Abstract

A variable-focus liquid lens using a transparent flat cell is demonstrated. The top substrate has an aperture which is sealed with a thin elastic membrane on the outer surface and the bottom aperture is sealed on the inner surface of the bottom substrate. By applying a pressure to the outer membrane inward causes the liquid to redistribute and swell the inner membrane outward which, in turn, forms a plano-convex lens. To prove principles, a water lens with 5 mm aperture was fabricated. The resolution is better than 25 lp/mm and the response time is ∼40 ms. Potential applications of such a lens for real-time active imaging are emphasized.

© 2007 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(220.2560) Optical design and fabrication : Propagating methods
(220.3620) Optical design and fabrication : Lens system design

ToC Category:
Optical Design and Fabrication

History
Original Manuscript: February 28, 2007
Revised Manuscript: April 10, 2007
Manuscript Accepted: April 25, 2007
Published: April 30, 2007

Virtual Issues
Vol. 2, Iss. 6 Virtual Journal for Biomedical Optics

Citation
Hongwen Ren and Shin-Tson Wu, "Variable-focus liquid lens," Opt. Express 15, 5931-5936 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-10-5931


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References

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