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Proceedings Paper

3D modelling of carbon nanotubes and liquid crystal based nano-photonic device
Author(s): Kanghee Won; Ranjith Rajasekharan; Haider Butt; Qing Dai; Timothy D. Wilkinson
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Paper Abstract

In this study, we present electric field (E-field) modelling and experiment of arrays of vertically grown carbon nanotubes as three dimensional electrode structures, in order to address liquid crystal molecules in a switchable nano-photonic device. The electric field spawned by the nanotube electrodes is used to align the liquid crystal molecules to generate a gradient refractive index profile across the device. It was observed that multiple nanotube groups generated wide and symmetrical electric fields compared to other geometries. We have utilized nano-photonic devices based on the simulation results and compared them with experimentally obtained electro-optic characteristics. These devices have many applications in voltage reconfigurable micro-optical systems.

Paper Details

Date Published: 24 August 2010
PDF: 8 pages
Proc. SPIE 7761, Carbon Nanotubes, Graphene, and Associated Devices III, 77610C (24 August 2010); doi: 10.1117/12.860412
Show Author Affiliations
Kanghee Won, Univ. of Cambridge (United Kingdom)
Ranjith Rajasekharan, Univ. of Cambridge (United Kingdom)
Haider Butt, Univ. of Cambridge (United Kingdom)
Qing Dai, Univ. of Cambridge (United Kingdom)
Timothy D. Wilkinson, Univ. of Cambridge (United Kingdom)

Published in SPIE Proceedings Vol. 7761:
Carbon Nanotubes, Graphene, and Associated Devices III
Didier Pribat; Young-Hee Lee; Manijeh Razeghi, Editor(s)

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