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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 4 — Feb. 24, 2014
  • pp: 4620–4627

Improvement of performance of liquid crystal microlens with polymer surface modification

Shug-June Hwang, Yi-Xiang Liu, and Glen Andrew Porter  »View Author Affiliations


Optics Express, Vol. 22, Issue 4, pp. 4620-4627 (2014)
http://dx.doi.org/10.1364/OE.22.004620


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Abstract

An electrically controllable liquid crystal (LC) microlens with polymer crater, which is simply prepared by droplet evaporation, has been previously proposed as a focusing device possessing excellent characteristics in optical performance, especially for the capability of tunable focal lengths. As the alignment layer on the crater surface cannot be effectively rubbed, non-uniformly symmetrical electric fields in the LC lenses usually induce disclination lines during operation. In this paper, a polymer surface stabilization technique is applied to successfully prevent disclination lines and greatly improve the performance of the LC microlens with the polymer crater.

© 2014 Optical Society of America

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

History
Original Manuscript: December 9, 2013
Revised Manuscript: February 13, 2014
Manuscript Accepted: February 14, 2014
Published: February 20, 2014

Citation
Shug-June Hwang, Yi-Xiang Liu, and Glen Andrew Porter, "Improvement of performance of liquid crystal microlens with polymer surface modification," Opt. Express 22, 4620-4627 (2014)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-22-4-4620


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