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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 6 — Mar. 16, 2009
  • pp: 4317–4323

A negative-positive tunable liquid-crystal microlens array by printing

H. T. Dai, Y. J. Liu, X. W. Sun, and D. Luo  »View Author Affiliations


Optics Express, Vol. 17, Issue 6, pp. 4317-4323 (2009)
http://dx.doi.org/10.1364/OE.17.004317


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Abstract

A tunable microlens array by printing was demonstrated. An UV-curable adhesive, NOA65, was printed and cured to form a lens array profile on an ITO glass. Then this microlens array ITO glass was assembled with a normal ITO glass to form a cell, which was later filled with a liquid crystal. The focal length of the lens array can be tuned by an electric field, which changes the index difference between liquid crystals and NOA65 due to the reorientation of the LC molecules. In our experiment, the focal length varied from -2.29 cm to 3.12 cm when the applied voltage was increased from 0 V to 13.26 V.

© 2009 Optical Society of America

OCIS Codes
(130.3750) Integrated optics : Optical logic devices
(220.3630) Optical design and fabrication : Lenses
(230.2090) Optical devices : Electro-optical devices
(230.3720) Optical devices : Liquid-crystal devices

ToC Category:
Optical Devices

History
Original Manuscript: January 6, 2009
Revised Manuscript: February 16, 2009
Manuscript Accepted: February 25, 2009
Published: March 3, 2009

Citation
H. T. Dai, Y. J. Liu, X. W. Sun, and D. Luo, "A negative–positive tunable liquid-crystal microlens array by printing," Opt. Express 17, 4317-4323 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-6-4317


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