High dispersion zero waveguide fiber

H - Electricity – 04 – B

Patent

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Details

H04B 10/18 (2006.01) G02B 6/036 (2006.01) H04J 14/02 (2006.01)

Patent

CA 2239735

Disclosed is a single mode optical waveguide fiber designed for use in high performance telecommunication systems. The novel core profile design improves bending performance to provide enhanced resistance to adverse environments. Total dispersion over an extended wavelength window is maintained low by placing the zero dispersion wavelength above the upper limit of the operating window. In addition, cut off wavelength is increased to just below the operating window. Ease of manufacture is retained as is very low waveguide attenuation.

Fibre de guide d'ondes optiques monomode conçue pour des systèmes de télécommunications très performants. La conception innovatrice du profil de son coeur améliore sa capacité de pliage et lui confère du même coup une meilleure résistance aux environnements défavorables. Cette fibre ne présente qu'une faible dispersion totale sur une fenêtre spectrale étendue, car sa longueur d'onde à dispersion nulle se situe au-dessus de la limite supérieure de la fenêtre d'exploitation. La longueur d'onde de coupure de cette fibre se situe par ailleurs à un niveau immédiatement inférieur à la fenêtre d'exploitation. Ce type de fibre n'en reste pas moins facile à fabriquer et conserve un très faible niveau d'atténuation sur le guide d'ondes.

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