Optical fiber cables having improved hermeticity

Metal working – Method of mechanical manufacture – Assembling or joining

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350 9623, B23P 1904, G02B 644

Patent

active

045947660

ABSTRACT:
The present invention relates to a process and apparatus for fabricating optical fiber cables having improved hermeticity. The optical fiber cables are formed by first reducing the water content of the buffer material surrounding each optical fiber. Thereafter, the dried optical fiber(s) are encapsulated into a metal or metal alloy tube. After fiber encapsulation, the tube may be sealed to prevent the ingress of moisture and/or water from the surrounding environment.

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"The Metal Coating of Optical Fibres" by R. Kompfner et al., Applications of Quantum Electronics, University of Oxford, Department of Engineering Science Report, 1975, pp. 54-78.
"Reductions in Static Fatigue of Silica Fibers" by D. A. Pinnow et al., Applied Physics Filters, vol. 34, No. 1, Jan., 1979, pp. 17-19.
"On Line-Metal Coating of Optical Fibres" by J. B. Almeida et al., Optik, vol. 53, No. 3, 1979, pp. 231-233.

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