Regularized parametric model of the angular distribution of the brightness factor of a rough surface

Labunets, L.V., Borzov, A.B., Akhmetov, I.M.

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Publication in Journal of Optical Technology

For Russian citation (Opticheskii Zhurnal):

Лабунец Л.В., Борзов А.Б., Ахметов И.М. Регуляризованная параметрическая модель индикатрисы коэффициента яркости шероховатой поверхности // Оптический журнал. 2019. Т. 86. № 10. С. 20–29. http://doi.org/10.17586/1023-5086-2019-86-10-20-29

Labunets L.V., Borzov A.B., Akhmetov I.M. Regularized parametric model of the angular distribution of the brightness factor of a rough surface [in Russian] // Opticheskii Zhurnal. 2019. V. 86. № 10. P. 20–29. http://doi.org/10.17586/1023-5086-2019-86-10-20-29

For citation (Journal of Optical Technology):

L. V. Labunets, A. B. Borzov, and I. M. Akhmetov, "Regularized parametric model of the angular distribution of the brightness factor of a rough surface," Journal of Optical Technology. 86(10), 618-626 (2019). https://doi.org/10.1364/JOT.86.000618

Abstract:

Based on the results of goniospectrophotometric measurements, physically based mathematical models of the spatial angular distributions of the luminous intensity and brightness factor are proposed for the coatings of structural materials. The models adequately describe the main scattering regularities of optical radiation by a rough surface in the visible and near-IR regions of electromagnetic waves and require no significant computing costs. Regularized regression dependences are obtained for the parameters of the model of the angular distribution of the luminous intensity on the cosine of the angle of incidence of the radiant flux.

Keywords:

mathematical modelling, indicator, brightness factor, optical radiation, rough surface, goniospectrophotometry, regularization principle

Acknowledgements:

The authors are grateful to Candidate of Technical Sciences Aleksandr Dmitrievich Reshetko for many years of fruitful collaboration and inestimable help in carrying out the experimental research.

OCIS codes: 290.5825, 290.5880

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