We present evidence for surface plasmons (SPs) in a nematic liquid crystal (LC) containing dispersion of gold nanoparticles (Au NPs). The evidence originates from observations of attenuated total reflection (ATR) of p-polarized laser incident upon a high-index prism/LC-Au NPs/glass structure. We argue that SPs are generated through evanescent waves interacting with Au NPs embedded in the LC and NPs' dispersing medium.
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Tiwari et al. (2012) studied this question.
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