دوره 18، شماره 2 - ( 9-1403 )
جلد 18 شماره 2 صفحات 242-219 |
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Yaghooti E, Babaei F. Excitation of Surface Phonon-Polariton Wavesat Interface of a Gold Thin Film and a Columnar Silicon Carbide Thin Film. IJOP 2024; 18 (2) :219-242
URL: http://ijop.ir/article-1-578-fa.html
URL: http://ijop.ir/article-1-578-fa.html
Excitation of Surface Phonon-Polariton Wavesat Interface of a Gold Thin Film and a Columnar Silicon Carbide Thin Film. . 1403; 18 (2) :219-242
چکیده: (275 مشاهده)
In this study, optical modeling of surface phonon-polariton excitation at the interface of a metal thin film and a dielectric columnar thin film in the Kretschmann configuration was investigated using the transfer matrix method. The model solves the curl Maxwell’s equations with appropriate boundary conditions. Surface phonon-polaritons are a type of surface electromagnetic waves arising from the coupling between polarized photons and optical phonons in polar dielectrics. In polar dielectrics, there exists a narrow energy range, known as the Reststrahlen band, where these waves cannot propagate due to variations in the refractive index. Within this region, the coupling between optical phonons and polarized photons is enhanced. The excitation of surface phonon-polariton modes can extend across a wide frequency range, from the infrared to the terahertz region, depending on the structural configuration. The Structural and optical parameters, as well as the longitudinal and transverse optical frequencies, on the reflection dips in the metal-dielectric reflection spectra and the Reststrahlen bandwidth, was calculated and analyzed. Surface phonon-polariton excitation offers a wide range of applications in data storage, thermal emission, and metamaterials.
نوع مطالعه: پژوهشي |
موضوع مقاله:
اپتیک سطح و ساختارهای پلاسمونی
دریافت: 1403/12/19 | ویرایش نهایی: 1404/8/7 | پذیرش: 1404/8/26
دریافت: 1403/12/19 | ویرایش نهایی: 1404/8/7 | پذیرش: 1404/8/26
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