Journal
APPLIED PHYSICS LETTERS
Volume 92, Issue 15, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.2908224
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Funding
- EPSRC [EP/D055652/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/D055652/1] Funding Source: researchfish
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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. (C) 2008 American Institute of Physics.
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