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Experimental Study and Modeling of Nonlinear Scattering in Polymer Dispersed Liquid Crystals

Published online by Cambridge University Press:  10 February 2011

M. Pacilli ,
P. Sebbah ,
P. Sixou ,
C. Vanneste  and
H. Guillard
M. Pacilli
Affiliation:
Laboratoire de Physique de la Matière Condensée, CNRS UMR 6622, Université de Nice-Sophia Antipolis, Parc Valrose, 06108 Nice cedex 02, France, sebbah@unice.fr
P. Sebbah
Affiliation:
Laboratoire de Physique de la Matière Condensée, CNRS UMR 6622, Université de Nice-Sophia Antipolis, Parc Valrose, 06108 Nice cedex 02, France, sebbah@unice.fr
P. Sixou
Affiliation:
Laboratoire de Physique de la Matière Condensée, CNRS UMR 6622, Université de Nice-Sophia Antipolis, Parc Valrose, 06108 Nice cedex 02, France, sebbah@unice.fr
C. Vanneste
Affiliation:
Laboratoire de Physique de la Matière Condensée, CNRS UMR 6622, Université de Nice-Sophia Antipolis, Parc Valrose, 06108 Nice cedex 02, France, sebbah@unice.fr
H. Guillard
Affiliation:
Polymage, 7 rue Verdi, 06000 Nice, France
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Abstract

We investigate the optical limiting capabilities of composite materials consisting of nematic liquid crystal inclusions within a polymer matrix in the millisecond and CW regime. Preparation of the composite has been optimized to decrease the operation voltage. Clear evidence of light induced reorientation is observed. A numerical model is proposed to describe multiple linear and nonlinear light scattering in the time domain in this medium. Numerical simulations are compared to experiment and confirm promising limiting characteristics of such materials.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 597: Symposium PP – Thin Films for Optical Waveguide Devices & Materials … , 1999 , 275
Copyright
Copyright © Materials Research Society 2000

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