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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 17 — Jun. 10, 2010
  • pp: 3311–3315

Characterization of a liquid crystal microlens array using multiwalled carbon nanotube electrodes

Xiaozhi Wang, Timothy D. Wilkinson, Mark Mann, Ken B. K. Teo, and William I. Milne  »View Author Affiliations


Applied Optics, Vol. 49, Issue 17, pp. 3311-3315 (2010)
http://dx.doi.org/10.1364/AO.49.003311


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Abstract

Reconfigurable liquid crystal microlenses employing arrays of multiwalled carbon nanotubes (MWNTs) have been designed and fabricated. The cells consist of arrays of 2 μm high MWNTs grown by plasma-enhanced chemical vapor deposition on silicon with a top electrode of indium tin oxide coated glass positioned 20 μm above the silicon and the gap filled with the nematic liquid crystal BLO48. Simulations have found that, while its nematic liquid crystal aligns with MWNTs within a distance of 10 nm , this distance is greatly enhanced by the application of an external electric field. Polarized light experiments show that light is focused with focal lengths ranging from 7 μm to 12 μm .

© 2010 Optical Society of America

OCIS Codes
(230.3720) Optical devices : Liquid-crystal devices
(160.4236) Materials : Nanomaterials

ToC Category:
Optical Devices

History
Original Manuscript: March 17, 2010
Revised Manuscript: May 3, 2010
Manuscript Accepted: May 9, 2010
Published: June 7, 2010

Citation
Xiaozhi Wang, Timothy D. Wilkinson, Mark Mann, Ken B. K. Teo, and William I. Milne, "Characterization of a liquid crystal microlens array using multiwalled carbon nanotube electrodes," Appl. Opt. 49, 3311-3315 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-17-3311

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