Optical fiber cable

Details Optical fiber cable Optical fiber cable

G - Physics

02

B

G02B 6/02 (2006.01) G02B 6/44 (2006.01)

Patent

CA 2196454

An optical fiber cable comprises a slender base body having spiral grooves formed on the outer circumferential surface, and at least one optical fiber ribbon housed within each of said grooves, said ribbon including a plurality of insulated optical fibers and a resin coating layer covering said optical fibers. The base body is formed of a mixture of at least two materials differing from each other in the molecular weight distribution. The particular construction permits markedly suppressing an increase of transmission loss derived from micro-bend occurring in the optical fiber tape arranged within the base body, and also permits arranging optical fiber ribbons within the base body at a higher density.

Un câble à fibres optiques comprend un élément de retenue allongé doté de rainures en spirale sur sa périphérie et au moins une bande de fibres optiques placée dans la rainure, l'élément de retenue étant fait d'au moins deux matériaux ayant des répartitions du poids moléculaire différentes. Cette structure permet de minimiser les pertes de transmission dues aux microcourbes dans la bande de fibres optiques logée dans l'élément de retenue, tout en permettant de loger d'une manière compacte les bandes de fibres dans l'élément de retenue.

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