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Nonlinear characterization of orcein solution and dye doped polymer film for application in optical limiting | ||
| Journal of Basrah Researches (Sciences) | ||
| Article 1, Volume 38, Issue 4, 2012, Pages 125-133 PDF (0 K) | ||
| Author | ||
| R. KH. Manshad Q. M. A. Hassan | ||
| Abstract | ||
| The single beam Z-scan technique was used to determine the nonlinear optical properties of the orcein dye in the solvent chloroform and a dye doped polymer film. The experiments were performed using cw SDL laser with a wavelength of 532 nm. This material exhibits negative optical nonlinearity. The dye exhibited a nonlinear refractive index (n2 = 0.22 x 10-7and 2.32 x 10-7 cm2/W in dye solution and polymer film, respectively) and nonlinear absorption coefficient ( β = 1.44 x 10-3 and 18.61 x 10-3 cm/W in dye solution and polymer film, respectively). Optical limiting characteristics of the dye solution and polymer film were studied. The result reveals that orcein dye can be a promising material for optical limiting applications. | ||
| Keywords | ||
| Nonlinear optics; Nonlinear refractive index; scan technique; Optical limiting; Dye | ||
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