Evaluation of Microbending Loss and Refractive Index Changes Due to Temperature Rise and Young's Modulus Variations of Coating Material in Double-Coated Optical Fibers

F.E. Seraji and G. Toutian

Keywords

Optical fiber, microbending loss, Young's modulus, temperature rise, hydrostatic pressure, refractive index change.

Abstract

This paper presents the effect of Young's modulus of fiber coating layers on microbending loss and refractive index changes in the presence of temperature rise and hydrostatic pressure. It is shown that The increase of Young’s modulus of primary coating would lower the microbending loss and refractive index changes and in the secondary coating layer, the .parameters values increase. We have shown that the temperature rise affecting on the fiber, makes the microbending loss and refractive index decrease, linearly.

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