Optical-fiber loose tube cables

Details Optical-fiber loose tube cables Optical-fiber loose tube cables

2009-11-09

2011-10-18

Kim, Ellen (Department: 2874)

Optical waveguides

Optical transmission cable

Loose tube type

C385S100000, C385S112000, C385S114000

Reexamination Certificate

active

08041167

ABSTRACT:
Disclosed is an improved optical fiber that employs a novel coating system. When combined with a bend-insensitive glass fiber, the novel coating system according to the present invention yields an optical fiber having exceptionally low losses.The coating system features (i) a softer primary coating with excellent low-temperature characteristics to protect against microbending in any environment and in the toughest physical situations and, optionally, (ii) a colored secondary coating possessing enhanced color strength and vividness.The improved coating system provides optical fibers that are useful in buffer tubes and cables having relatively high filling coefficients and fiber counts.

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