C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
C03B 37/027 (2006.01) C03B 37/012 (2006.01) C03B 37/025 (2006.01) C03B 37/075 (2006.01)
Patent
CA 2245700
The invention is a method of making an optical fiber or cane (600) that has optical properties that vary axially. Core glass (100) and clad glass (200) are fed into a furnace to form the cane or fiber. The velocities of the feeding of the clad and core are controlled so that the total combined mass per unit time is constant. The diameter of the core (604) varies along the length of the fiber or cane in accordance with the control of the velocities. The variance in the core diameter results in the variance of the axial optical properties of the fiber or cane.
L'invention a trait à un procédé de fabrication d'une fibre optique ou tige (600) dont les caractéristiques optiques varient au plan axial. On approvisionne de verre pour couche de coeur (100) et de verre à gaine (200) un four afin de constituer la tige ou fibre. On commande la vitesse de chargement du verre pour couche de coeur et du verre à gaine de manière à ce que la masse totale combinée par unité de temps soit constante. Le diamètre du coeur (604) varie le long de la fibre ou tige en fonction de la vitesse. De la variance du diamètre du coeur découle celle des caractéristiques optiques axiales de la fibre ou tige.
Corning Incorporated
Gowling Lafleur Henderson Llp
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