Optical waveguides – Optical transmission cable – Loose tube type
Patent
1995-06-07
1996-05-14
Lee, John D.
Optical waveguides
Optical transmission cable
Loose tube type
385105, 385114, G02B 644
Patent
active
055175910
ABSTRACT:
A slotted core type optical fiber ribbon cable includes a cylindrical rod having a plurality of helical slots in its exterior surface. A slot holds a stack of optical fiber ribbons each having a planar array of optical fibers therein. The pitch of the helical slot is selected so as to allow total optical fiber stranding strain .epsilon. of the edge fibers in the ribbon to be at least 0.05% and compression .epsilon..sub.e on the middle optical fiber or optical fibers in the ribbon to be less than about 0.03%. The magnitude of the slot pitch is selected to be in the range
REFERENCES:
patent: 4820014 (1989-04-01), Nishimura et al.
patent: 4826279 (1989-05-01), Nishimura et al.
patent: 4997257 (1991-03-01), Spedding
patent: 5199094 (1993-03-01), Schneider
Preliminary Research into Ultra High Density and High Count Optical Fiber Cables, 40th IWCS pp. 8-15 (1991) [No Month].
Multi-Hundred-Fiber Cable composed of Optical Fiber Ribbons Inserted Tightly Into Slots, 35th IWCS, pp. 17-23 (1986) [No Month].
Ellwanger Michael R.
Wagman Richard S.
Abernethy J. David
Lee John D.
Siecor Corporation
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