Abstract

Optical loss increase characteristics under lateral force were investigated to determine the load limit for coated fiber. Plastic deformation of the coating was analyzed, and the loss increase was found to occur in the large deformation region beyond a limit theoretically determined using structural dimensions (diameter and thickness) and the material constant of the coating. The optimum coating structure for preventing loss increase has been designed by introducing the result of the lateral deformation limit as well as fiber stress induced by the lateral force and fiber strain at low temperature. The nylon outer and silicone layer diameters are 0.9 and 0.4 mm, respectively.

© 1982 Optical Society of America

Transmission loss of coated single-mode fiber at low temperatures

Yutaka Katsuyama, Yutaka Mitsunaga, Yukinori Ishida, and Koushi Ishihara
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Jacketed optical fiber characteristics under lateral pressure

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