Coated optical fibers and cables and method

Details Coated optical fibers and cables and method Coated optical fibers and cables and method

1989-10-11

1991-11-05

Lee, John D.

350 9633, G02B 644

Patent

active

050626850

ABSTRACT:
Optical communication media particularly adapted for blow-in installation, including single optical fibers and lightweight flexible optical cables comprising one or more glass optical fibers in a multilayer polymer coating, are disclosed. The multilayer coating includes a textured polymer outer layer and at least one soft buffer layer positioned between the textured polymer outer layer and the glass optical fiber or fibers, the buffer layer comprising a low T.sub.g polymer and preferably having a layer thickness at least sufficient to maintain thermally induced microbending loss in the optical communication medium below about 0.5 db/km at medium operating temperatures in the range of 0.degree. C. to -60.degree. C.

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Benning, Plastic Foams, vol. 1, pp. 345-408, Wiley-Interscience, New York, 1969.
Calvin J. Benning, Plastic Foams: The Physics and Chemistry of Product Performance and Process Technology, vol. 1, Ch. 4, "Principles of Foam Formation: Polyvinyl Chloride Foams", pp. 345-408, Wiley-Interscience, New York (1969).

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