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Title: Analysis of the Requirements to the Accuracy of Diffractively Reflecting Coatings Manufacturing
Authors: Кулаков, Олег Вікторович
Катунін, Альберт Миколайович
Роянов, Олексій Миколайович
Олійник, Володимир Вікторович
Гарбуз, Сергій Вікторович
Кожушко, Ярослав
Герасимов, Сергей
Пічугін, Михайло
Д'яков, Андрій
Keywords: diffraction reflective coating, laser alarm system, angular distribution function
Issue Date: 26-Aug-2021
Publisher: IEEE
Citation: IEEE UKRCON-2021: IEEE 3nd Ukraine Conference on Electrical and Computer Engineering. 26-28 august 2021.
Series/Report no.: Track 4: Industry Applications, Automation & Industry 4.0.;Рaper 19. P. 431-435.
Abstract: One of the main problems of modern laser alarm systems is appearance of false alarms in difficult weather conditions (fog, rain, snow) because of reduction of the environment transparency. A promising solution is creation of "laser barriers" with the help of diffractively reflecting coatings as reflective elements. But the properties of those coatings depend considerably on the manufacturing process. If a coating was produced with errors, the coherent component of the total power reflected from a diffractively reflecting coating could decrease and the diffuse component (arising due to scattering by roughness) increase. Besides, the coating could scatter power in directions that do not correspond to the directions of the diffraction maxima. The presented paper substantiates the requirements to the accuracy of diffractively reflecting coatings manufacturing on the basis of analysis of the angular distribution functions of the reflected power.
Appears in Collections:Кафедра пожежної і техногенної безпеки об'єктів та технологій

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