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Experimental Research on High Temperature Environment Resistance of Optical Drop Cables
Yasuji MURAKAMI Kimio ANDOU Yuji SERA Kouji SHINO Satomi HATANO
IEICE TRANSACTIONS on Communications
Publication Date: 1999/10/25
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Communication Cable and Wave Guides
FTTH, aerial optical fiber cables, high temperature environment,
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Recently, optical loss increases have appeared at high temperatures in some of the optical drop cables, introduced for FTTH field experiments. Optical drop cable is installed from homes to aerial facilities, and consists of an optical fiber cable part and a self-supporting wire part. Fiber micro-bending is caused by cable sheath buckling in high temperature environments when the cable is bent with the cable part inside. Moreover, adhesion between the steel reinforcing wires and the cable sheath is effective in preventing this fiber micro-bending, which induces loss increases. This paper also shows the most suitable range of adhesive ability in terms of both practical construction and environment.