Nonlinear characterization and optical switching in bromophenol blue solutions - Natural Science

NS > Vol.3 No.8, August 2011

Natural Science

Volume 3, Issue 8 (August 2011)

ISSN Print: 2150-4091 ISSN Online: 2150-4105

Google-based Impact Factor: 0.74 Citations h5-index & Ranking

Nonlinear characterization and optical switching in bromophenol blue solutions ()

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DOI: 10.4236/ns.2011.38096 6,724 Downloads 11,780 Views Citations

Author(s)

Fryad Z Henari

Affiliation(s)

ABSTRACT

In this paper the results from investigations of the nonlinear refractive index and nonlinear absorption coefficient of Bromophenol Blue using the Z-scan technique with a continuous wave laser beam at wavelengths 488 nm and 514 nm are presented. It was observed that the material exhibited reverse saturation absorption and self defocusing behavior. It was found that the increase in solution concentration resulted in linear increase of the nonlinear refractive index. A pump and probe technique was used to obtain the absorption spectrum of triplet state. Furthermore the nonlinear absorption effect was used to demonstrate all optical switching.

KEYWORDS

Nonlinear Refractive Index; Nonlinear Absorption; Bromophenol Blue; Cross Phase Modulation; Optical Switching

Share and Cite:

Henari, F. (2011) Nonlinear characterization and optical switching in bromophenol blue solutions. Natural Science, 3, 728-732. doi: 10.4236/ns.2011.38096.

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