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DEVELOPMENT AND ANALYSIS OF INVESTIGATION METHODS OF OPTICAL COATING RADIATION DURABILITY

A. O. Mitin, master student of RSREU, Ryazan; This email address is being protected from spambots. You need JavaScript enabled to view it.
V. I. Oreshkov, PhD (technical sciences), associate professor, RSREU, Ryazan; This email address is being protected from spambots. You need JavaScript enabled to view it.

This paper discusses methods of research radiation resistance of optical coatings with desired optical characteristics and high performance parameters. Methods for determining the strength of beam-based threshold energy density at which the destruction of coating material takes place are described and studied. The aim is to develop the best practices to study radiation resistance on the basis of proposed methods. The scheme of the experiment is to determine the strength of the beam using specially developed software. The analysis of the results of experiments to measure damage threshold of the sample is carried out. The conclusions about the causes of damage are made and recommendations to improve radiation resistance of the coating are given.

Key words: optical coatings, optical strength, laser radiation, damage threshold, breakdown, energy density, the area of irradiation, sample.

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