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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 7 — Apr. 8, 2013
  • pp: 7916–7925

Switchable focus using a polymeric lenticular microlens array and a polarization rotator

Hongwen Ren, Su Xu, Yifan Liu, and Shin-Tson Wu  »View Author Affiliations


Optics Express, Vol. 21, Issue 7, pp. 7916-7925 (2013)
http://dx.doi.org/10.1364/OE.21.007916


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Abstract

We demonstrate a flat polymeric lenticular microlens array using a mixture of rod-like diacrylate monomer and positive dielectric anisotropy nematic liquid crystal (LC). To create gradient refractive index profile in one microlens, we generate fringing fields from a planar top electrode and two striped bottom electrodes. After UV stabilization, the film is optically anisotropic and can stand alone. We then laminate this film on a 90° twisted-nematic LC cell, which works as a dynamic polarization rotator. The static polymeric lenticular lens exhibits focusing effect only to the extraordinary ray, but no optical effect to the ordinary ray. Such an integrated lens system offers several advantages, such as low voltage, fast response time, and temperature insensitivity, and can be used for switchable 2D/3D displays.

© 2013 OSA

OCIS Codes
(120.2040) Instrumentation, measurement, and metrology : Displays
(160.3710) Materials : Liquid crystals
(160.5470) Materials : Polymers
(220.2560) Optical design and fabrication : Propagating methods
(220.3620) Optical design and fabrication : Lens system design

ToC Category:
Optical Design and Fabrication

History
Original Manuscript: January 30, 2013
Revised Manuscript: February 26, 2013
Manuscript Accepted: February 27, 2013
Published: March 25, 2013

Citation
Hongwen Ren, Su Xu, Yifan Liu, and Shin-Tson Wu, "Switchable focus using a polymeric lenticular microlens array and a polarization rotator," Opt. Express 21, 7916-7925 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-7-7916


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