Abstract

The process of deposition of protective reflective coatings from melts of fluorinated thermoplastic polymers onto a quartz fiber via a spinneret method is considered. The dependence of the viscosity of thermoplastics on the temperature in the range of 225°C–365°C is presented. The dynamic parameters of the process—the dependence of the fiber tension force on the fiber drawing speed and polymer viscosity—are investigated. The maximum speeds of steady coating are established. The optical losses and numerical aperture of optical fibers are measured. It has been established that, to a certain extent, the attenuation of radiation in a quartz fiber, along with absorption, determines the scattering of radiation in a partially crystallized polymer coating.

© 2019 Optical Society of America

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