Fiber air turn for low attenuation fiber

C - Chemistry – Metallurgy – 03 – B

Patent

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Details

C03B 37/027 (2006.01) C03B 37/03 (2006.01)

Patent

CA 2708342

A method for forming an optical fiber includes drawing the optical fiber from a glass supply and treating the fiber by maintaining the optical fiber in a treatment zone wherein the fiber is cooled at a specified cooling rate. The optical fiber treatment reduces the tendency of the optical fiber to increase in attenuation due to Rayleigh scattering, and/or over time following formation of the optical fiber due to heat aging. Methods for producing optical fibers along nonlinear paths incorporating fluid bearings are also provided thereby allowing for increased vertical space for the fiber treatment zone.

La présente invention concerne un procédé permettant de former une fibre optique comprenant le fibrage de la fibre optique à partir d'une source de verre et le traitement de la fibre par maintien de la fibre optique dans une zone de traitement dans laquelle la fibre est refroidie à une vitesse de refroidissement spécifiée. Le traitement de la fibre optique réduit la tendance à l'augmentation de l'atténuation de la fibre optique en raison de la diffusion de Rayleigh, et/ou avec le temps suivant la formation de la fibre optique en raison du vieillissement par la chaleur. L'invention concerne également des procédés de production de fibres optiques le long de chemins non linéaires incorporant des paliers fluides, de ce fait permettant un espace vertical accru pour la zone de traitement de la fibre.

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