Telecommunication loose tube optical cable with reduced...

Details Telecommunication loose tube optical cable with reduced... Telecommunication loose tube optical cable with reduced...

2003-09-30

2008-05-13

Wong, Tina M. (Department: 2874)

Optical waveguides

Optical transmission cable

Loose tube type

C385S103000, C385S113000, C385S128000

Reexamination Certificate

active

07373057

ABSTRACT:
An optical fiber cable has a highly reduced diameter. The cable has a central strength member; a number of tubes containing loosely arranged optical fibers, each tube having a thickness, and each optical fiber having a coating; and a protective outer jacket, wherein the filling coefficient of optical fibers in at least one loose tube is ≧45°/0. The tubes are made of a material having an elasticity modulus ≧700 MPa; and the optical fibers are SM-R fibers having a microbending sensitivity ≦4.0 dB·km−1/g·mm−1at a temperature of about −30° C. to +60° C. at about 1550 nm.

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