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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 28 — Oct. 1, 2010
  • pp: 5493–5500

Liquid tunable lens integrated with a rotational symmetric surface for long depth of focus

Jingran Kang, Hongbin Yu, and Haiqing Chen  »View Author Affiliations

Applied Optics, Vol. 49, Issue 28, pp. 5493-5500 (2010)

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A liquid tunable lens with an extended depth of focus (DOF) is proposed. By integrating a phase plate with rotational symmetric quartic function (QF) contour into the liquid lens cavity, the lens can achieve higher tolerance to the defocus aberration. The liquid lens was fabricated with a convenient and low-cost process that combined single-point diamond turning (SPDT) with soft lithography using polydimethylsiloxane (PDMS). Experimental results demonstrate that both focal length tunability and extended DOF can be achieved with the proposed liquid lens.

© 2010 Optical Society of America

OCIS Codes
(220.1920) Optical design and fabrication : Diamond machining
(220.3630) Optical design and fabrication : Lenses
(230.0230) Optical devices : Optical devices
(110.1080) Imaging systems : Active or adaptive optics

ToC Category:
Optical Devices

Original Manuscript: July 6, 2010
Revised Manuscript: September 10, 2010
Manuscript Accepted: September 10, 2010
Published: September 30, 2010

Jingran Kang, Hongbin Yu, and Haiqing Chen, "Liquid tunable lens integrated with a rotational symmetric surface for long depth of focus," Appl. Opt. 49, 5493-5500 (2010)

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