Abstract
This article describes an approach of structuring quartz glasses, which leads to the formation of a matrix of regions with different refractive index. The filamentation of ultrashort pulse laser beams in the volume of a transparent dielectric is used as a tool for structuring the material. The results of processing a sample from quartz glass KU-1 are presented. These studies can later be used to create volume Bragg gratings. Fiber Bragg gratings of the second and fourth order were made of standard single-mode telecommunication fibers through the applied polymer coating by a linear method using femtosecond laser radiation. The basis of the creation of the Bragg fiber gratings is the periodic change in the refractive index.
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