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M. Sheik-Bahae, A. A. Said, T. H. Wei, D. J. Hagan and E. W. Van Stryland, “Sensi-tive Measurement of Optical Nonlinearities Using a Single Beam,” IEEE Journal of Quantum Electronics, Vol. 26, No. 4, 1990, pp. 760-769. doi:10.1109/3.53394

has been cited by the following article:

• TITLE: Third Order Optical Nonlinearities of C450 Doped Polymer Thin Film Investigated by the Z-Scan

  AUTHORS: Zainab S. Sadik, Dhia H. Al-Amiedy, Amal F. Jaffar

  KEYWORDS: Nonlinear Optics; Solvent Effect; Z-Scan Technique

  JOURNAL NAME: Advances in Materials Physics and Chemistry, Vol.2 No.1, March 19, 2012

  ABSTRACT: In the present work, z-scan technique was used to study the nonlinear properties, represented by nonlinear refractive index and nonlinear absorption coefficient for Coumarin 450 (C450) doped PMMA as a function of concentration for two different solvents. The results show change of the effect from self-focusing to self-defocusing in closed aperture z-can (or change of the effect from two photon absorption to saturable absorption in open aperture z-scan), when the sample dissolved in low viscosity and more polar solvent