Abstract
Surface morphology of azure B doped polymethyl methacrylate (PMMA) film is studied by using optical microscopy and Origin 2017 software program. The optical limiting properties for solution of azure B in the solvent chloroform and azure B doped polymethyl methacrylate (PMMA) film are reported. Measurements were performed using two continuous wave (CW) laser beams. The effects of both concentration of the sample and the wavelength of the laser used on the optical limiting properties have been investigated. The optical limiting properties of the dye solution and dye doped PMMA film are compared. A mechanism for the optical limiting is given.
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