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Proceedings Paper

Sparse multiwall carbon nanotube electrodes arrays for liquid crystal photonic devices
Author(s): T. D. Wilkinson; X. Wang; H. Butt; Ranjith R; W. I. Milne
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Paper Abstract

We present a new photonic micro-optical device based on an array of electrodes made from vertically aligned multiwall carbon nanotubes used to address a liquid crystal cell. The electrodes create a Gaussian electric field profile which is used to reorient a planar aligned nematic liquid crystal. The variation in refractive index within the liquid crystal layer acts like a graded index optical element which can be varied by changing the applied electric field to the carbon nanotube. Results are presented from a device fabricated with a 10um pitch between the micro-optical elements.

Paper Details

Date Published: 27 August 2008
PDF: 10 pages
Proc. SPIE 7050, Liquid Crystals XII, 705011 (27 August 2008); doi: 10.1117/12.801625
Show Author Affiliations
T. D. Wilkinson, Univ. of Cambridge (United Kingdom)
X. Wang, Univ. of Cambridge (United Kingdom)
H. Butt, Univ. of Cambridge (United Kingdom)
Ranjith R, Univ. of Cambridge (United Kingdom)
W. I. Milne, Univ. of Cambridge (United Kingdom)

Published in SPIE Proceedings Vol. 7050:
Liquid Crystals XII
Iam Choon Khoo, Editor(s)

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