Terminal structure for an optical device

Details Terminal structure for an optical device Terminal structure for an optical device

G - Physics

02

B

G02B 6/38 (2006.01) G02B 6/26 (2006.01) G02F 1/01 (2006.01)

Patent

CA 2059861

An optical terminal structure includes a single mode optical fiber having a short length, and a cylindrical member in which the single mode optical fiber is fixed. The cylindrical member is coaxial with the core of the single mode optical fiber. The cylindrical member has at each end a facet that is polished to a mirror finish. The core and a clad of the single mode optical fiber have refractive indexes such that the normalized frequency in the operation of the single mode optical fiber becomes at most 2.405 as a value converted at a wavelength in use of 1.28 µm. The wavelength in use is preferably in the range of 1.29 to 1.33 µm.

Borne optique comportant une fibre optique unimodale courte fixée dans un élément cylindrique placé dans le même axe que le coeur de la fibre optique unimodale. La facette de chaque extrémité de cet élément cylindrique est d'un poli optique. Le coeur et la gaine de la fibre optique unimodale présentent des indices de réfraction faisant en sorte que la fréquence normalisée de la fibre optique unimodale en fonctionnement représente au plus 2,405 en tant que valeur convertie à une longueur d'onde en fonctionnement de 1,28 micromètre. La longueur d'onde en fonctionnement est préférablement de 1,29 à 1,33 micromètre.

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