Effect of thermal aging on Rayleigh backscattering in an optical fiber

A. Ch'hayder; F. Tarrach; S. Guermazi; Guillaume Ducournau; Mohamed Kétata

doi:10.1117/1.3114604

1 April 2009 Effect of thermal aging on Rayleigh backscattering in an optical fiber

A. Ch'hayder, F. Tarrach, S. Guermazi, Guillaume Ducournau, Mohamed Kétata

Author Affiliations +

Optical Engineering, Vol. 48, Issue 4, 045001 (April 2009). https://doi.org/10.1117/1.3114604

Abstract

We investigate the effect of thermal aging on the optical properties of multimode silica fibers. Samples were submitted to several heating-cooling cycles of 8 h each. Analyses were performed using an optical spectrum analyzer and an optical time-domain reflectometer to determine the signal loss. We proved that the attenuation coefficient is closely related to Rayleigh backscattering. Results show an increase of the attenuation coefficient with aging time. The obtained results show a degradation of the optical properties of fibers from 1680 h on, due to local variation of the refractive index induced by fluctuation of the material density.

©(2009) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

A. Ch'hayder, F. Tarrach, S. Guermazi, Guillaume Ducournau, and Mohamed Kétata "Effect of thermal aging on Rayleigh backscattering in an optical fiber," Optical Engineering 48(4), 045001 (1 April 2009). https://doi.org/10.1117/1.3114604

Published: 1 April 2009

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