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Mathematical modeling of the frequency dependence of the ellipsometric parameters of a light wave reflected from a nanocomposite layer

Yatsyshen Valeriy Vasil’evich  (Professor, Volgograd State University)

Potapova Irina Igorevna  (Postgraduate student, Volgograd State University)

The paper demonstrates a high sensitivity of the ellipsometry method to the parameters of a nanocomposite material. This is especially noticeable in the region of the longitudinal frequency of the nanocomposite, which is in the region where the real part of the permittivity of the nanocomposite passes through zero, where the band gap begins. Taking into account this dependence, these regularities can be used to create controlled elements of polarization optics based on nanocomposites. It is shown that a nanocomposite based on a dielectric matrix with nanoparticles distributed in it exhibits pronounced polariton properties, which, in the case of semiconductors with phonon or exciton resonances, are widely used in nanophotonics.

Keywords:nanocomposite, silver nanoparticles, energy reflection and transmission coefficients, ellipsometric parameters, polaritons, band gap
 

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Citation link:
Yatsyshen V. V., Potapova I. I. Mathematical modeling of the frequency dependence of the ellipsometric parameters of a light wave reflected from a nanocomposite layer // Современная наука: актуальные проблемы теории и практики. Серия: Естественные и Технические Науки. -2022. -№11/2. -С. 170-173 DOI 10.37882/2223-2966.2022.11-2.37
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