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Fiber Optics and Optical Communication

Effect of thermal aging on Rayleigh backscattering in an optical fiber

[+] Author Affiliations
Ameur Ch’hayder, Fredj Tarrach, Samir Guermazi

Institut Préparatoire aux Etudes d’Ingénieurs de Sfax, Unité: Physique des matériaux isolants et semi isolants, BP 805, Sfax, Sfax 3018, Tunisie

Guillaume Ducournau, Mohamed Ketata

Laboratoire Elelctronique Microtechnologie et Instrumentation (LEMI), Rue Lavoisier, 76821 Mont Saint Aignan Cedex, France

Opt. Eng. 48(4), 045001 (September 27, 2008February 04, 2009February 04, 2009April 07, 2009). doi:10.1117/1.3114604
History: Received September 27, 2008; Revised February 04, 2009; Accepted February 04, 2009; Published April 07, 2009
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We investigate the effect of thermal aging on the optical properties of multimode silica fibers. Samples were submitted to several heating-cooling cycles of 8h 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 1680h on, due to local variation of the refractive index induced by fluctuation of the material density.

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© 2009 Society of Photo-Optical Instrumentation Engineers

Citation

Ameur Ch’hayder ; Guillaume Ducournau ; Mohamed Ketata ; Fredj Tarrach and Samir Guermazi
"Effect of thermal aging on Rayleigh backscattering in an optical fiber", Opt. Eng. 48(4), 045001 (September 27, 2008February 04, 2009February 04, 2009April 07, 2009). ; http://dx.doi.org/10.1117/1.3114604


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