Experimental Evaluation of the Method for Protection Against Optical Fiber Movement Into Splice Closures During Seasonal Temperature Fluctuations

Burdin, Vladimir A.; Gavryushin, Sergey A.; Dashkov, Michael V.; Nizhgorodov, Anton O.; Nikulina, Tatiana G.; Popov, Boris V.

doi:10.52350/2072215x_2022_3_17

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2023

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“…The effect of movement of optical fibers from the cable into the closures is one of the indirect confirmations of this process 1 . To date, a few methods to prevent this phenomenon have been actively developed 3,4 . It should be noted that such effects can also be observed for regions with a less harsh climate after several seasonal cycles.…”

Section: Introductionmentioning

confidence: 99%

Attenuation distribution changes of optical fiber in cable at cyclic temperature variations

Dashkov,

Bourdine,

Nizhgorodov

et al. 2023

Optical Technologies for Telecommunications 2022

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The experimental study of attenuation distribution changes of optical fiber in cable due cyclic temperature variations is represented in paper. It was observed that attenuation coefficient changes due temperature effect varies in irregular manner, that can be caused by redistribution of fiber curvature along cable. The fiber segments corresponding to the outer cable coils on the drum are most affected by temperature cycling, that can be due high thermal inertia of cable drum. The length of fiber segment with noticeable attenuation rising is approximately 500 m. The irregular local attenuation changes demonstrate the optical fiber curvature redistribution in cable due cyclic temperature variation and also can be used for estimation of variation of mechanical stresses.

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Section: Introductionmentioning

confidence: 99%