Theory of plasmonic waves on a chain of metallic nanoparticles in a liquid crystalline host

Nicholas A. Pike; David Stroud

doi:10.1117/12.2023319

11 September 2013 Theory of plasmonic waves on a chain of metallic nanoparticles in a liquid crystalline host

Nicholas A. Pike, David Stroud

Proceedings Volume 8809, Plasmonics: Metallic Nanostructures and Their Optical Properties XI; 880910 (2013) https://doi.org/10.1117/12.2023319
Event: SPIE NanoScience + Engineering, 2013, San Diego, California, United States

Abstract

Using the quasistatic approximation, we calculate the dispersion relations for plasmonic waves along a chain of metallic nanoparticles when the host is a nematic or a cholesteric liquid crystal (NLC or CLC). If the director of the NLC is perpendicular to the chain, the doubly degenerate transverse (T) branches split into two linearly polarized branches. For a CLC with a twist axis parallel to the chain, the two T branches again split, but are no longer linearly polarized. We illustrate these results numerically by calculating the dispersion relations for Drude metal particles in either an NLC or a CLC.

Citation Download Citation

Nicholas A. Pike and David Stroud "Theory of plasmonic waves on a chain of metallic nanoparticles in a liquid crystalline host", Proc. SPIE 8809, Plasmonics: Metallic Nanostructures and Their Optical Properties XI, 880910 (11 September 2013); https://doi.org/10.1117/12.2023319

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