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The study of nonlinear optical properties of rhodamine B dye and TiO2 nanoparticles doped in PMMA polymer | ||
| Iraqi Journal of Physics | ||
| Article 1, Volume 15, Issue 33, 2017, Pages 96-100 | ||
| Author | ||
| Lamyaa Gand Khlaif | ||
| Abstract | ||
| In this research, A thin film of Rhodamine B dye and TiO2Nanoparticles doped in PMMA Polymerhas been prepared by acasting method. The sample was spectrum absorption by UV-Vis. The nonlinear optical properties were measured by Z- scan technique using Nd:YAG laser with (1064 nm) wavelength. The nonlinear refractive index (n2) and nonlinear absorption coefficient (β) were estimated for the thin film for different energies of the laser, n2 and β were decreased with increasing intensity of incident laser beam. Also, the type of β was two-photon absorption and n2 negative nonlinear reflective. | ||
| Keywords | ||
| Rhodamine B dye; TiO; nonlinear optical properties | ||
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