Optical cable and optical cable chamber element

Details Optical cable and optical cable chamber element Optical cable and optical cable chamber element

1998-07-15

2000-09-19

Henry, Jon

Optical waveguides

Optical transmission cable

Tightly confined

385104, 385114, G02B 644

Patent

active

06122426&

ABSTRACT:
An optical cable has an S-Z stranded part in which plurality of chamber elements containing optical fibers are assembled around a central member in an S-Z strand in the state where their bottom faces are in contact with the central member. Each chamber element has such a characteristic that its flexural rigidity in the depth direction of its fiber containing cavity is smaller than that in the widthwise direction thereof. Assuming, of distortion energy of the chamber element in an S-Z reverse portion within the S-Z stranded part, the distortion energy in the case where the bottom face of the chamber element is in contact with the central member to be U.sub.1, and the distortion energy in the case where a side face of the chamber element is in contact with the central member to be U.sub.2, a relational expression of .DELTA.U=U.sub.1 -U.sub.2 .ltoreq.0.2(mJ/mm) is satisfied.

REFERENCES:
patent: 5542019 (1996-07-01), Pascher
patent: 5651082 (1997-07-01), Eoll
patent: 5920672 (1999-07-01), White

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