Light scattering spectral behavior of liquid crystal dispersions in silica glasses
- 20 February 1995
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 66 (8) , 929-931
- https://doi.org/10.1063/1.113600
Abstract
Dispersions of nematic liquid crystal microdroplets in silica glasses have been obtained by sol-gel processes, forming gel-glass dispersed liquid crystals (GDLCs). GDLC microdroplet size may be adjusted precisely by controlling the sol-gel reaction. This allows the preparation of scattering media with different spectral response, which can be further modified by reorienting the liquid crystal microdroplets with external electric fields. Opaque/transparent and dichroic GDLC thin films have been prepared. An extension of the general scattering theory is used for explaining their optical behavior.Keywords
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