On the deflection of light by topological defects in nematic liquid crystals

. The influence of controllable parameters like temperature and wavelength on the trajectories of light in a nematic liquid crystal with topological defects is studied through a geometric model. The model incorporates phenomenological details as how the refractive indices depend on such parameters....

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Veröffentlicht in:	The European physical journal. E, Soft matter and biological physics Soft matter and biological physics, 2008-04, Vol.25 (4), p.425-429
Hauptverfasser:	Sátiro, C., Moraes, F.
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Biological and Medical Physics Biophysics Complex Fluids and Microfluidics Complex Systems Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Cosmic Radiation Exact sciences and technology Light Liquid crystals Liquid Crystals - chemistry Materials Testing Models, Chemical Nanostructures - chemistry Nanotechnology Optical constants: refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Optical properties of bulk materials and thin films Physics Physics and Astronomy Polymer Sciences Refractometry Regular Article Soft and Granular Matter Structure of solids and liquids crystallography Surfaces and Interfaces Temperature Thin Films
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Beschreibung
Zusammenfassung:	. The influence of controllable parameters like temperature and wavelength on the trajectories of light in a nematic liquid crystal with topological defects is studied through a geometric model. The model incorporates phenomenological details as how the refractive indices depend on such parameters. The deflection of light by the topological defect is then shown to be greater at lower temperatures and shorter wavelengths.
ISSN:	1292-8941 1292-895X
DOI:	10.1140/epje/i2008-10309-4