The effects of laser intensities on nonlinear properties for Ag nanoparticles colloid

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Mazin M. Elias

Abstract

A huge potential from researchers was presented for enhancing the nonlinear optical response for materials that interacts by light. In this work, we study the nonlinear optical response for chemically prepared nano- fluid of silver nanoparticles in de-ionized water with TSC (Tri-sodium citrate) protecting agent. By the means of self-defocusing technique and under CW 473 nm blue laser, the reflected diffraction pattern were observed and recorded by CCD camera. The results demonstrate that, the Ag nano-fluid shows a good third order nonlinear response and the magnitude of the nonlinear refractive index was in the order of 10−7 cm2/W. We determine the maximum change of the nonlinear refractive index and the related phase shift for the material at six input laser intensities.

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The effects of laser intensities on nonlinear properties for Ag nanoparticles colloid. IJP [Internet]. 2019 Jan. 8 [cited 2024 Mar. 29];15(34):36-40. Available from: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/118
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How to Cite

1.
The effects of laser intensities on nonlinear properties for Ag nanoparticles colloid. IJP [Internet]. 2019 Jan. 8 [cited 2024 Mar. 29];15(34):36-40. Available from: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/118

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