Optical fiber cable having fluted strength member core

Details Optical fiber cable having fluted strength member core Optical fiber cable having fluted strength member core

1987-06-17

1989-02-28

Wan, Gene

G02B 644

Patent

active

048079626

ABSTRACT:
An optical fiber cable includes a fluted strength member core (22) which comprises a plurality of ribs (26--26) extending radially from a center portion and a plurality of grooves (28--28), each groove being disposed between two adjacent ribs. The fluted core is such that the ratio of the diameter of a circle (41) which passes through an outermost surface of each rib to the diameter of a circle (44) through the inverts of the grooves does not exceed a predetermined value and cooperates with a reference width of each rib to allow a plurality of optical fibers to be disposed in each groove. Further, the geometry of the fluted core is such that the optical fibers are capable of longitudinal and lateral movement in the grooves. A core wrap (50) which may be made of a flame retardant material encloses the fluted core and a jacket (60) which is made of a plastic material encloses the core wrap.

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D. Boscher et al., "Optical Fiber Cables Using V-Grooved Cylindrical Units: High Performance Cables", Fiber and Integrated Optics, vol. 4, No. 1.

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