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

Wang, X and Wilkinson, TD and Mann, M and Teo, KB and Milne, WI (2010) Characterization of a liquid crystal microlens array using multiwalled carbon nanotube electrodes. Appl Opt, 49. pp. 3311-3315.

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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 microm high MWNTs grown by plasma-enhanced chemical vapor deposition on silicon with a top electrode of indium tin oxide coated glass positioned 20 microm 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 10nm, 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 approximately 7 microm to 12 microm.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div B > Photonics
Div B > Solid State Electronics and Nanoscale Science
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 11:52
Last Modified: 21 Jul 2014 01:01
DOI:

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