Measuring of high nonlinear optical properties in novel liquid crystals by Z-scan technique

R. F. Domínguez-Cruz; A. L. Méndez-Pérez; M. A. Panduro-Mendoza; G. Romero-Galván

doi:10.1117/12.646810

23 February 2006 Measuring of high nonlinear optical properties in novel liquid crystals by Z-scan technique

R. F. Domínguez-Cruz, A. L. Méndez-Pérez, M. A. Panduro-Mendoza, G. Romero-Galván

Proceedings Volume 6117, Organic Photonic Materials and Devices VIII; 61170I (2006) https://doi.org/10.1117/12.646810
Event: Integrated Optoelectronic Devices 2006, 2006, San Jose, California, United States

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.

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R. F. Domínguez-Cruz, A. L. Méndez-Pérez, M. A. Panduro-Mendoza, and G. Romero-Galván "Measuring of high nonlinear optical properties in novel liquid crystals by Z-scan technique", Proc. SPIE 6117, Organic Photonic Materials and Devices VIII, 61170I (23 February 2006); https://doi.org/10.1117/12.646810

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