Environmental stress effects on fiber optic cable end faces

J. Toney, J. Mazurowski
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引用次数: 6

Abstract

The PC and PC-NC termini studied here showed tolerable changes in optical transmittance under temperature cycling, vibration testing or mating/de-mating cycles with periodic cleaning. The flat-NC termini studied here showed much greater average change, and much greater variability, from all stimuli than the other types. We hypothesize that this is due to variation in fiber height, and was in contrast to expected variations fiber height for the PC-NC termini as well. There are substantial differences between the designs of the PC-NC and the flat-NC termini which could cause the discrepancy: 1) end face shape, 2) very short fiber attachment region inside the flat-NC terminus, 3) possible inconsistent fiber coating adhesion, or 4) stress caused from use of tight buffered cable with the flat-NC terminus. Failure analysis did not detect epoxy failure. The mate/demate test results highlight the importance of regular cleaning to prevent end face damage.
环境应力对光纤电缆端面的影响
本文研究的PC端和PC- nc端在温度循环、振动测试或配合/分离循环和定期清洗下的光学透射率变化是可以容忍的。这里研究的平- nc末端在所有刺激下的平均变化和变异性都比其他类型的大得多。我们假设这是由于纤维高度的变化,并且与PC-NC终端的预期纤维高度变化形成对比。PC-NC与平面nc端子的设计存在很大差异,这可能导致差异:1)端面形状,2)平面nc端子内部的光纤附着区域非常短,3)可能的光纤涂层粘附不一致,或4)使用紧缓冲电缆引起的应力与平面nc端子。失效分析未检测到环氧树脂失效。mate/demate测试结果强调了定期清洁以防止端面损坏的重要性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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