Experimental study and modeling of nonlinear scattering in polymer dispersed liquid crystals

M. Pacilli, P. Sebbah, P. Sixou, C. Vanneste, H. Guillard

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations

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.

Original languageEnglish
Pages (from-to)275-280
Number of pages6
JournalMaterials Research Society Symposium - Proceedings
Volume597
StatePublished - 2000
Externally publishedYes
EventThin Films for Optical Waveguide Devices and Materials for Optical Limiting - Boston, MA, USA
Duration: 30 Nov 19993 Dec 1999

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