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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 3 — Jan. 20, 2013
  • pp: 381–387

Liquid-crystal microlens with focus swing and low driving voltage

Shengwu Kang, Xinyu Zhang, Changsheng Xie, and Tianxu Zhang  »View Author Affiliations

Applied Optics, Vol. 52, Issue 3, pp. 381-387 (2013)

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A focus-swing liquid-crystal (LC) microlens with two patterned electrodes and filled in nematic liquid crystal is proposed. In order to lower the level of the applied voltage signal and effectively increase the focus-swing range, the bottom electrode is designed as a circular patterned structure. The top electrode is composed of four stripe-patterned subelectrodes, which are powered, respectively to generate expecting potential and drive the focus swing in the focal plane of the microlens. The common optical properties of the LC microlens and the swing behavior of the formed focus in the focal plane are demonstrated experimentally.

© 2013 Optical Society of America

OCIS Codes
(220.3620) Optical design and fabrication : Lens system design
(220.3630) Optical design and fabrication : Lenses
(230.3720) Optical devices : Liquid-crystal devices

ToC Category:
Optical Design and Fabrication

Original Manuscript: September 20, 2012
Revised Manuscript: October 30, 2012
Manuscript Accepted: November 1, 2012
Published: January 11, 2013

Shengwu Kang, Xinyu Zhang, Changsheng Xie, and Tianxu Zhang, "Liquid-crystal microlens with focus swing and low driving voltage," Appl. Opt. 52, 381-387 (2013)

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