TITLE

Pretransitional enhancement of the optical nonlinearity of thin dye-doped liquid crystals in the nematic phase

AUTHOR(S)
Lucchetti, L.; Gentili, M.; Simoni, F.
PUB. DATE
April 2005
SOURCE
Applied Physics Letters;4/11/2005, Vol. 86 Issue 15, p151117
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We report a critical enhancement of the nonlinear optical response of dye-doped liquid crystals obtained by approaching the clearing point in the nematic phase. The enhancement of the nonlinear diffraction efficiency has been measured in the range 0.2–0.3 deg below the nematic-isotropic transition temperature. It allows reaching a nonlinear refractive index higher than 40 cm2/W in all the tested cells.
ACCESSION #
17185385

 

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