Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session N00: Poster Session II (11:30am-2:30pm CST)
11:30 AM,
Wednesday, March 6, 2024
Room: Hall BC
Sponsoring
Unit:
APS/SPS
Abstract: N00.00183 : Study of waveguides based in liquid crystals interfaces*
Presenter:
Guillermo Reyes
(Universidad Nacional Autonoma de Mexico)
Authors:
Guillermo Reyes
(Universidad Nacional Autonoma de Mexico)
Juan Adrian Reyes
(Instituto de Fisica Universidad Nacional Autonoma de mexico)
Panayotis Panayotaros
(Instituto de Investigaciones en Matematicas Aplicadas y en Sistemas)
Collaboration:
Guillermo Reyes
We propose a theoretical model for the propagation of electromagnetic waves through the liquid crystal layer part and use theMarcuvitz-Schwinger form of the Maxwell equations to show the existence of modes that propagate along the interface with negligible attenuation (i.e. approximate surface modes). The wave profile is computed by a combination of analytical and numerical methods. The presence of the cholesteric liquid crystal introduces inhomogeneity and anisotropy in the problem,
and the wave vector and frequency required for surface modes are found by solving a nonlinear system. Propagating surface modes are shown to occur at specific frequencies that belong to the optical spectrum.The dependence of the surface wave parameters on the liquid crystal parameters can be useful for sensing stimuli that modify the liquid crystal parameters.
*CONACYT
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