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Information Journal Paper

Title

EFFECT OF RF PLASMA TREATMENT ON THE OPTICAL NONLINEARITY OF PVC FILM

Pages

  35-44

Abstract

 Introduction: Polymer matrix composites have been thought as insulating materials.Recently, the electrical and optical properties of polymers have been extensively investigated.Polymeric materials with positive nonlinear REFRACTIVE INDEX are very important in optics.Changes of light-induced REFRACTIVE INDEX are commonly described by the relationship n=n0+n2I, where n0 is the linear REFRACTIVE INDEX, I is the intensity of the light and n2 is the nonlinear REFRACTIVE INDEX coefficient. This phenomenon have considerable effects on the propagation of electromagnetic waves through the medium, which leads to well known effects such as self focusing or defocusing, self phase modulation, self bending and so on.Aim: In this work the effect of RF PLASMA on the nonlinear optical parameters of red lake doped Polyvinyl Chloride (PVC) polymer film is studied experimentally. Positive nonlinear REFRACTIVE INDEX of red lake doped PVC and decreasing of this index after RF PLASMA treatment are two important and interesting phenomena.Materials and Methods: In this experiment red lake doped PVC films are exposed to low pressure RF PLASMA for 5 to 15 minutes. Different experiments are done to study the effect of RF PLASMA treatment on the nonlinear optical properties of red lake doped PVC film, include BEAM BROADENING measurement, optical limiting measurement and open and closed Zscan experiments.Results: By obtaining the beam profile propagated through treated samples, nonlinear REFRACTIVE INDEX of red lake doped PVC films is found to be positive. This magnitude is decreased due to PLASMA treatment. The optical limiting behavior of samples is investigated by measurement of transmission through the sample, which is remained unchanged in comparison with pristine sample. The third order nonlinearity of PLASMA treated samples is measured using Z-SCAN method. Experimental results show that real and imaginary parts of nonlinear susceptibility decrease with increasing the time of treatment.Conclusion: Effect of PLASMA treatment on the nonlinear optical properties of red lake doped commercial PVC film is studied which is a very common way to improve the surface characteristics of polymer films.The nonlinear REFRACTIVE INDEX and absorption coefficient of this material as well as its third order nonlinear susceptibility are changed where the linear optical parameters of this polymer are remaining unchanged.

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  • Cite

    APA: Copy

    GOLIAN, Y., SHAHBAZ TAHMASEBI, F., & DORRANIAN, D.. (2010). EFFECT OF RF PLASMA TREATMENT ON THE OPTICAL NONLINEARITY OF PVC FILM. JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY), 20(75 (PHYSICS ISSUE)), 35-44. SID. https://sid.ir/paper/70515/en

    Vancouver: Copy

    GOLIAN Y., SHAHBAZ TAHMASEBI F., DORRANIAN D.. EFFECT OF RF PLASMA TREATMENT ON THE OPTICAL NONLINEARITY OF PVC FILM. JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY)[Internet]. 2010;20(75 (PHYSICS ISSUE)):35-44. Available from: https://sid.ir/paper/70515/en

    IEEE: Copy

    Y. GOLIAN, F. SHAHBAZ TAHMASEBI, and D. DORRANIAN, “EFFECT OF RF PLASMA TREATMENT ON THE OPTICAL NONLINEARITY OF PVC FILM,” JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY), vol. 20, no. 75 (PHYSICS ISSUE), pp. 35–44, 2010, [Online]. Available: https://sid.ir/paper/70515/en

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