zhpsЖурнал прикладной спектроскопииZhurnal Prikladnoii Spektroskopii0514-7506B. I. Stepanov Institute of Physics of the National Academy of Scienceszhps-1770Research ArticleАННОТАЦИИ АНГЛОЯЗЫЧНЫХ СТАТЕЙABSTRACTS ENGLISH-LANGUAGE ARTICLESНелинейно-оптические свойства третьего порядка тонкой нанопленки NiO при использовании излучения маломощного лазера в непрерывном режимеTHIRD-ORDER NONLINEAR OPTICAL PROPERTIES OF NANO NiO THIN FILM DETERMINED USING CONTINUOUS WAVE LOW-POWER LASERSaiedE. A.SaiedEman Abdulmajed

Эрбиль, Курдистан

Erbil, Kurdistan region

eman.saied@su.edu.krdУниверситет Салахаддина-ЭрбильDepartment of Physics, College of Science, Salahaddin University-Erbil202507022025921131131Copyright © Saied E.A., 20252025Saied E.A.Saied E.A.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://zhps.ejournal.by/jour/article/view/1770

Наночастицы оксида никеля (NiO) получены с использованием метода золь-гель-покрытия для создания тонкой пленки NiO/стекло и кремния. Методами ИК-Фурье-спектроскопии, УФ-видимой спектроскопии и сканирующей электронной микроскопии изучены структурные и оптические свойства пленок. Нелинейные оптические характеристики тонкой пленки NiO исследованы с помощью методов Z-сканирования с открытой и закрытой апертурой на длинах волн 532 и 635 нм. Варьирование оптической интенсивности лазера и длины волны изменяло показатель преломления образцов, так как увеличение интенсивности лазера и длины волны приводило к уменьшению нелинейного показателя преломления. Коэффициент нелинейного поглощения демонстрирует отрицательную корреляцию с интенсивностью лазера и небольшую убывающую связь с длиной волны. 

Nickel oxide nanoparticles (NiO) were produced using the sol-gel dip-coating method to create NiO/glass and silicon thin film. Fourier transform infrared spectroscopy, ultraviolet-visible spectroscopy, and scanning electron microscopy were used to examine the film’s structural and optical properties. The nonlinear optical characteristics of the nickel oxide thin film were examined using the open aperture and close aperture Z-scan methods at wavelengths of 532 and 635 nm. Manipulating the laser optical intensities and wavelengths altered the refractive index of the samples in that increasing the laser intensities and wavelengths led to a decrease in the nonlinear refractive index. The nonlinear absorption coefficient exhibited a negative correlation with laser intensity and a small decreasing relationship with the wavelength. 

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The authors declare that there are no conflicts of interest present.