Method, system and device for imparting a predetermined...

C - Chemistry – Metallurgy – 03 – B

Patent

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Details

C03B 37/027 (2006.01) C03B 37/025 (2006.01) C03B 37/03 (2006.01) G01B 11/10 (2006.01) G02B 6/10 (2006.01)

Patent

CA 2590424

A method, and a system based on said method, is disclosed for imparting to an optical fiber a predetermined rotation about its axis, wherein the fiber is rotated by way of a frictional force acting on the fiber while it is advanced in a predetermined direction. The rotation actually imparted to the optical fiber is measured on-line while the fiber is advancing in the direction and the frictional force is controlled responsively to said measured rotation so as to obtain the predetermined rotation. Spinning devices acting on the optical fiber by way of an externally controllable frictional force and particularly suitable to be used with the method and within the system of the present invention are also disclosed.

L'invention concerne une méthode et un système fondé sur cette méthode. Cette méthode et ce système sont destinés à faire tourner une fibre optique autour de son axe. Cette fibre est mise en rotation par une force de frottement agissant sur la fibre alors que celle-ci avance dans une direction prédéterminée. La rotation conférée à cette fibre optique est mesurée en ligne, tandis que la fibre avance dans la direction susmentionnée, et la force de frottement est commandée en réaction à la rotation mesurée, de sorte à obtenir la rotation prédéterminée. L'invention concerne des dispositifs de mise en rotation agissant sur la fibre optique au moyen d'une force de frottement extérieurement commandable et particulièrement appropriés pour être utilisés avec la méthode de l'invention et dans le système de l'invention.

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