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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 4 — Feb. 13, 2012
  • pp: 4738–4746

Using photopolymerization to achieve tunable liquid crystal lenses with coaxial bifocals

Che Ju Hsu and Chia Rong Sheu  »View Author Affiliations

Optics Express, Vol. 20, Issue 4, pp. 4738-4746 (2012)

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Liquid crystal (LC) lenses with circular hole-patterned electrodes possess the excellent capabilities of tunable focal lengths. In this paper, we demonstrate the performance of a specific LC lens with tunable coaxial bifocals (CB) synthesized via photopolymerization of LC cells. The characteristics of tunable CB are clearly exhibited when the voltage applied is continuously increased, eventually disappearing until only one focus is left when significantly higher voltages are applied. We simultaneously demonstrate two types of tunable CB LC lenses fabricated via different photocurable processes and determine their optical functions.

© 2012 OSA

OCIS Codes
(160.3710) Materials : Liquid crystals
(220.3630) Optical design and fabrication : Lenses
(230.3720) Optical devices : Liquid-crystal devices

ToC Category:
Optical Devices

Original Manuscript: January 3, 2012
Revised Manuscript: February 5, 2012
Manuscript Accepted: February 6, 2012
Published: February 9, 2012

Che Ju Hsu and Chia Rong Sheu, "Using photopolymerization to achieve tunable liquid crystal lenses with coaxial bifocals," Opt. Express 20, 4738-4746 (2012)

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