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Proceedings Paper

Measuring of high nonlinear optical properties in novel liquid crystals by Z-scan technique
Author(s): R. F. Domínguez-Cruz; A. L. Méndez-Pérez; M. A. Panduro-Mendoza; G. Romero-Galván
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Paper Abstract

We present the preliminary experimental results on the measuring of third order optical nonlinearity in a 5HCB liquid crystal sample doped with methyl-red. 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: 23 February 2006
PDF: 5 pages
Proc. SPIE 6117, Organic Photonic Materials and Devices VIII, 61170I (23 February 2006); doi: 10.1117/12.646810
Show Author Affiliations
R. F. Domínguez-Cruz, Univ. Autónoma de Tamaulipas (Mexico)
A. L. Méndez-Pérez, Univ. Autónoma de Tamaulipas (Mexico)
M. A. Panduro-Mendoza, Univ. Autónoma de Tamaulipas (Mexico)
G. Romero-Galván, Univ. Autónoma de Tamaulipas (Mexico)

Published in SPIE Proceedings Vol. 6117:
Organic Photonic Materials and Devices VIII
James G. Grote; Francois Kajzar; Nakjoong Kim, Editor(s)

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