Abstract
The attenuated total reflection technique with a thin metal film tunnel barrier has been used to couple radiation into waveguides made of eicosanoic acid. Through the use of a pyramidal geometry and both TE and TM polarisation the full optical dielectric tensor of Langmuir-Blodgett multilayers of this material has been characterised for a range of deposition pressures. Results show that the mean molecular axis within the multilayers tilts over as the surface pressure used during film deposition is decreased.
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