OPTICAL LIMITING BEHAVIOR OF BROMOPHENOL BLUE AND ITS DEPENDENCE ON pH

Author:

HENARI F. Z.1,Al-SAIE A.2,CULLIGAN K. G.1

Affiliation:

1. Department of Basic Medical Science, Royal College of Surgeons in Ireland, Medical University of Bahrain, Kingdom of Bahrain

2. Physics Department, College of Science, University of Bahrain, Kingdom of Bahrain

Abstract

The nonlinear properties and optical limiting performance of Bromophenol indicator solution were investigated using continuous wave laser beam at 488 nm and 514 nm. A z-scan technique was used to measure the nonlinear refractive index. The optical limiting was investigated by monitoring the output transmission through the samples at different concentrations and at different pH values. The results show the dependence of the optical limiting threshold on concentration as well as on the pH values of the solution. The investigation shows that bromophenol blue is a potential candidate for optical limiting. Results also show that the optical limiting values can be used as a pH indicator.

Publisher

World Scientific Pub Co Pte Lt

Subject

Physics and Astronomy (miscellaneous),Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials

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