Novel Waterproof Optical Fiber Cable with Absorbent polymer Yarn

Shigezo KUKITA  Masaaki KAWASE  Fumihiro NIHEI  

IEICE TRANSACTIONS (1976-1990)   Vol.E69   No.2   pp.89-91
Publication Date: 1986/02/25
Online ISSN: 
Print ISSN: 0000-0000
Type of Manuscript: LETTER
Category: Cables and Waveguides

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A new waterproof optical fiber cable is proposed which used absorbent polymer yarn instead of the conventional jelly-compound as a filling material. This yarn limits the length of water penetration into cable less than 10 cm that is short enough to guarantee long-term reliability. And it is found that the cable has superior characteristics for dynamic bend-tension test.