Fiber optic structures that allow small bend radii

Optical waveguides – Optical transmission cable – Tightly confined

Reexamination Certificate

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C385S100000, C385S107000

Reexamination Certificate

active

11590508

ABSTRACT:
A buffered optical fiber includes at least one optical fiber and a buffer layer. In one embodiment, the buffer layer generally surrounds the optical fiber and has a non-round cross-section that includes a plurality of wings that are an integrally formed by the buffer layer. Additionally, the buffered optical fiber may form a portion of a fiber optic cable that allows a relatively small bend radius while maintaining optical performance. Optionally, the optical fiber may be a bend resistant optical fiber for preserving optical performance. Additionally, other fiber optic cables that allow relatively small bend radii are also disclosed.

REFERENCES:
patent: 4723831 (1988-02-01), Johnson et al.
patent: 5557703 (1996-09-01), Barker et al.
patent: 6957000 (2005-10-01), McAlpine et al.
patent: 2003/0007757 (2003-01-01), Rogers
patent: 2004/0086242 (2004-05-01), McAlpine et al.
Draka Product Sheet, BendBrightXSSingle Mode Optical Fibre, 2 sheets, Aug. 2006.

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