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J. E. Ehrilich, X. L. Wu, I. Y. S. Lee, Z. Y. Hu, H. Rockel, S. R. Marder and J. W. Perry, “Two-Photon Absorption and Broadband Optical Limiting with Bis-Donor Stilbe- nes,” Optics Letters, Vol. 22, No. 24, 1997, pp. 1843-1845.

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