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Gómez, S.L., Cuppo, F.L.S., Neto, A.M.F., Kosa, T., Muramatsu, M. and Horowicz, R.J. (1999) Z-Scan Measurement of the Nonlinear Refractive Indices of Micellar Lyotropic Liquid Crystals with and without the Ferrofluid Doping. Physical Review E, 59, 3059.

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• TITLE: Nonlinear Optical Properties, Optical Limiting and Optical Switching of Ag Nanoparticles Prepared by a Green Synthetic Method

  AUTHORS: Fryad Z. Henari, Hacene Manaa

  KEYWORDS: Green Synthesis, Ag Nanoparticles, Nonlinear Optical Properties, Optical Limiting, Optical Switching

  JOURNAL NAME: Optics and Photonics Journal, Vol.8 No.7, July 17, 2018

  ABSTRACT: Silver nanoparticles were synthesized using an aqueous extract of cinnamon berks (cinnamon cassia) as a reducer and stabilizer. The synthesized silver nanoparticles were characterized using UV-Vis spectrometry and Transmission Electron Microscopy (TEM), which revealed the nano nature of the particles. Nonlinear absorption and nonlinear refraction were measured using a Z-scan technique at different wavelengths with CW lasers. The third order nonlinear susceptibility was found to be between (1.5 to 22) × 10-14 m2/V2. The nonlinear property of the synthesized silver nanoparticles was used to demonstrate optical limiting and all-optical switching. An optical limiting threshold was found to be 0.1 mW at 632.8 nm.