Influence of dielectric particle porosity on the position of Mie resonances
- Authors: Gainutdinov A.R.1
-
Affiliations:
- Kazan (Volga Region) Federal University
- Issue: Vol 19, No 4 (2025)
- Pages: 296-303
- Section: Metatronics
- URL: https://journals.eco-vector.com/1993-7296/article/view/686891
- DOI: https://doi.org/10.22184/1993-7296.FRos.2025.19.4.296.303
- ID: 686891
Cite item
Abstract
The dielectric particles with a high refractive index demonstrate Mie resonances in the infrared region of spectrum, where the typical absorption bands of many hydrocarbons are observed. The article provides a numerical determination of the dependence of the refractive index of a dielectric particle located in a target substance matrix on the particle porosity value. It is shown that an increased particle porosity leads to a linear decrease in the particle refractive index and to a linear shift of the Mie resonance to the region of short wavelengths. An estimate is given for the shift in the spectral range of the Mie resonance manifestation when the particle porosity value is changed by a few percent.
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About the authors
Azat R. Gainutdinov
Kazan (Volga Region) Federal University
Author for correspondence.
Email: azat794@mail.ru
ORCID iD: 0009-0000-8711-8711
postgraduate student; Institute of Physics
Russian Federation, KazanReferences
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