Comprehensive three-dimensional analysis of surface plasmon polariton modes at uniaxial liquid crystal-metal interface
Author(s) -
Yin-Ray Yen,
Tsun-Hsiun Lee,
Zheng-Yu Wu,
TsungHsien Lin,
Yu-Ju Hung
Publication year - 2015
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.23.032377
Subject(s) - surface plasmon polariton , surface plasmon , materials science , optics , grating , polariton , plasmon , surface plasmon resonance , localized surface plasmon , dispersion relation , liquid crystal , laser , optoelectronics , physics , nanotechnology , nanoparticle
This paper describes the derivation of surface plasmon polariton modes associated with the generalized three-dimensional rotation of liquid crystal molecules on a metal film. The calculated dispersion relation was verified by coupling laser light into surface plasmon polariton waves in a one-dimensional grating device. The grating-assisted plasmon coupling condition was consistent with the formulated k(spp) value. This provides a general rule for the design of liquid-crystal tunable plasmonic devices.
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