Exploration of the surface director profile in a liquid crystal cell using coupling between the surface plasmon and half-leaky optical guided modes

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Exploration of the surface director profile in a liquid crystal cell using coupling between the surface plasmon and half-leaky optical guided modes

Please use this identifier to cite or link to this item: http://hdl.handle.net/10036/48493

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Title: Exploration of the surface director profile in a liquid crystal cell using coupling between the surface plasmon and half-leaky optical guided modes
Author: Yang, Fuzi
Ruan, Lizhen
Sambles, J. Roy
Citation: 92 (15), article 151103
Publisher: American Institute of Physics
Journal: Applied Physics Letters
Date Issued: 2008
URI: http://hdl.handle.net/10036/48493
DOI: 10.1063/1.2908224
Links: http://dx.doi.org/10.1063/1.2908224 http://link.aip.org/link/?APPLAB/92/151103/1
Abstract: The half-leaky guided mode geometry with a thin metal tunnel barrier as one cladding layer is used to explore the distribution of the director very near to the surface in a hybrid aligning nematic liquid crystal cell. From theoretical analysis together with numerical modeling, it is shown how the coupled p-polarized surface plasmon/s-like guided modes excited in the geometry leads to extremely sensitive to the surface director tilt profile near the metal wall—a sensitivity which is even higher than that of the surface plasmon resonance alone. The experimental results have fully confirmed the model predictions.
Type: Article
Description: Copyright © 2008 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Applied Physics Letters 92 (2008) and may be found at http://link.aip.org/link/?APPLAB/92/151103/1
Keywords: metallic thin filmsnematic liquid crystalssurface plasmon resonance
ISSN: 0003-6951


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