Over-coated optical fiber and manufacturing method thereof

Details Over-coated optical fiber and manufacturing method thereof Over-coated optical fiber and manufacturing method thereof

G - Physics

02

B

G02B 6/44 (2006.01)

Patent

CA 2237034

One or more optical fiber elements each constituted by a coated glass fiber are fed to an over-coating device and an over-coating is applied to the optical fiber elements in a lump, the feeding speed of the optical fiber elements to the over-coating device is made larger than the take-up speed of the over-coated optical fiber onto a take-up reel so as to give longitudinal compression strain to the glass fibers of the over-coated optical fiber. The glass fiber has compression strain of not less than 0.03% to less than 0.10 % in a longitudinal direction thereof at room temperature.

Un ou plusieurs éléments optiques constitués chacun par une fibre en verre revêtue sont présentés à un dispositif d'enrobage où ils sont enrobés en groupe. Les éléments optiques sont amenés au dispositif d'enrobage à une vitesse supérieure à la vitesse d'entraînement par un dispositif d'enroulement des éléments enrobés, de sorte que les fibres en verre constitutives sont soumises à une force de compression longitudinale. Cette force de compression est d'au moins 0,03 % et inférieure à 0,10 % à la température ambiante.

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