Calculating of the Refractive index, the absorption and the third order susceptibility coefficients in the nematic liquid crystal 5CB and ZnS nanoparticles complex

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DEHGHANI Z.; NADAFAN M.; Faraji Alamooti A.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: NANOSCALE Year:2020 | Volume:6 | Issue:4 Page(s): 54-60

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Title

Calculating of the Refractive index, the absorption and the third order susceptibility coefficients in the nematic liquid crystal 5CB and ZnS nanoparticles complex

Author(s)

DEHGHANI Z. | NADAFAN M. | Faraji Alamooti A. | Issue Writer Certificate

Keywords

nematic liquid crystalQ1

ZnS nanoparticlesQ1

absorption coefficientQ1

refractive indexQ1

nonlinear optical propertiesQ1

third order susceptibilityQ1

Z-scan methodQ1

Abstract

In this study, the third order susceptibility of ZnS nanoparticles doped in nematic liquid crystal 5CB was evaluated. Firstly, ZnS nanoparticles was synthesized by hydrothermal method. Then this nanoparticles was added to nematic liquid crystal with 1%wt. After that, for calculating the third order susceptibility, linear and nonlinear absorption coefficients, linear and nonlinear refractive indices were achieved. The laser source in this study is He: Ne CW laser at 632. 8 nm wavelength. The initial arrangement of molecules is vertical status. The results showed that self-defocusing effect and two photon absorption nonlinear phenomena have happened in the sample. According to results, the nonlinear refractive index and nonlinear absorption coefficient of ZnS nanoparticles doped in nematic liquid crystal 5CB are 5 and 3 times more than the nonlinear refractive index and nonlinear absorption coefficient of pure nematic liquid crystal 5CB.

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APA: Copy

DEHGHANI, Z., NADAFAN, M., & Faraji Alamooti, A.. (2020). Calculating of the Refractive index, the absorption and the third order susceptibility coefficients in the nematic liquid crystal 5CB and ZnS nanoparticles complex. NANOSCALE, 6(4 ), 54-60. SID. https://sid.ir/paper/257036/en

Vancouver: Copy

DEHGHANI Z., NADAFAN M., Faraji Alamooti A.. Calculating of the Refractive index, the absorption and the third order susceptibility coefficients in the nematic liquid crystal 5CB and ZnS nanoparticles complex. NANOSCALE[Internet]. 2020;6(4 ):54-60. Available from: https://sid.ir/paper/257036/en

IEEE: Copy

Z. DEHGHANI, M. NADAFAN, and A. Faraji Alamooti, “Calculating of the Refractive index, the absorption and the third order susceptibility coefficients in the nematic liquid crystal 5CB and ZnS nanoparticles complex,” NANOSCALE, vol. 6, no. 4 , pp. 54–60, 2020, [Online]. Available: https://sid.ir/paper/257036/en

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