G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 6/00 (2006.01) G02B 6/36 (2006.01) H04B 10/18 (2006.01) G02B 6/34 (2006.01)
Patent
CA 2402478
A dispersion compensation fiber (1) is coiled or bundled and then received in a case (2), and the periphery of the dispersion compensation fiber (1) in the case (2) is filled with a filler material (3) whose pre-cure viscosity is 0.01 Pa.bullet.s - 0.6 Pa.bullet.s and is cured. This reduces the amount of a change in transmission loss with respect to temperature change due to the heat cycle of the dispersion compensation unit. Further employment of a method in which the dispersion compensation fiber is loosely wound in bundle form and then received in a case, followed by filling a filler material, or a method in which the case having the dispersion compensation fiber received therein is vibrated in filling a filler material, makes it possible to further reduce the transmission loss difference.
L'invention concerne une fibre de compensation de dispersion (1) embobinée ou combinée et, puis, logée dans un boîtier (2). La périphérie de la fibre de compensation de dispersion (1) dans ledit boîtier (2) est remplie d'une matière de remplissage (3) dont la viscosité de pré-mûrissage est compris entre 0,01 Pa.s et 0,6 Pa.s, et qui est traitée. Ceci permet de réduire l'ampleur d'un changement de perte de transmission en fonction d'un changement de températures provoqué par le cycle thermique de l'unité de compensation de dispersion. On emploie, en outre, un procédé, selon lequel la fibre de compensation de dispersion est enroulée de manière souple sous forme de faisceau et, puis, logée dans le boîtier, cette étape étant suivie du remplissage. On peut également utiliser un procédé, selon lequel le boîtier doté de la fibre de compensation de dispersion est amené à vibrer lors du remplissage, ce qui permet de réduire la différence de perte de transmission.
Fujii Takashi
Hosoya Toshifumi
Marks & Clerk
Sumitomo Electric Industries Ltd.
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