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Proceedings Paper

High Kerr optical nonlinearity observed in a liquid crystal by Z-scan technique
Author(s): R. Domínguez-Cruz; A. Padilla-Mijares; A. Méndez-Pérez; G. Romero-Galván; M. Panduro-Mendoza; R. Ramos-García
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Paper Abstract

In this paper we present the preliminary experimental results about the measuring of Kerr optical nonlinearity in a 5CB liquid crystal sample doped with methyl-yellow at 1%. These results are obtenided througth Z-scan tecnhique using a simple low power He-Ne laser in CW operation. We observe a great negative Kerr nonlinearity in the sample obtained in the regime temperature of nematic phase. For upper temperature, we observe a notable decreasing of the optical nonlinearity due to sample change to isotropic phase. In adition, we observe the presence of a nonlinear absorption contribution.

Paper Details

Date Published: 16 May 2007
PDF: 6 pages
Proc. SPIE 6422, Sixth Symposium Optics in Industry, 64221O (16 May 2007); doi: 10.1117/12.742373
Show Author Affiliations
R. Domínguez-Cruz, Univ. Autónoma de Tamaulipas (Mexico)
A. Padilla-Mijares, Univ. Autónoma de Tamaulipas (Mexico)
A. Méndez-Pérez, Univ. Autónoma de Tamaulipas (Mexico)
G. Romero-Galván, Univ. Autónoma de Tamaulipas (Mexico)
M. Panduro-Mendoza, Univ. Autónoma de Tamaulipas (Mexico)
R. Ramos-García, Instituto Nacional de Astrofísica, Óptica y Electrónica (Mexico)

Published in SPIE Proceedings Vol. 6422:
Sixth Symposium Optics in Industry

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