Oscillations in spectral behaviour of total losses (1-R-T) in thin dielectric films (CROSBI ID 186678)
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Podaci o odgovornosti
Amotchkina, T.V. ; Trubetskov, M.K. ; Tikhonravov, A.V. ; Janicki, Vesna ; Sancho-Parramon, Jordi ; Razskazovskaya, O. ; Pervak, V.
engleski
Oscillations in spectral behaviour of total losses (1-R-T) in thin dielectric films
We explain reasons of oscillations frequently observed in total losses spectra (1−R−T) calculated on the basis of measurement spectral photometric data of thin film samples. The first reason of oscillations is related to difference in angles of incidence at which spectral transmittance and reflectance are measured. The second reason is an absorption in a thin film. The third reason is a slight thickness non-uniformity of the film. We observe a good agreement between theoretical models and corresponding measurements, which proves above statements on the origins of oscillations in total losses.
Materials and process characterization; Interference coatings; Thin films; optical properties; Deposition and fabrication
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