Multiple-core optical fibers and associated coupling methods

Details Multiple-core optical fibers and associated coupling methods Multiple-core optical fibers and associated coupling methods

G - Physics

02

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G02B 6/28 (2006.01) G02B 6/02 (2006.01) G02B 6/04 (2006.01) G02B 6/293 (2006.01) G02B 6/34 (2006.01) G02B 27/00 (2006.01)

Patent

CA 2329238

An optical fiber (50) has two or more cores (46, 48) with respective faces (54, 56) on the fiber's (50) ends. The faces (54, 56) are oriented so that optical radiation can be coupled into or out of the individual cores (46, 48) thereby permitting, for example, optical radiation from the various cores (46, 48) to be spatially resolved in the far field. The faces (54, 56) can be formed on the fiber (50) by polishing the fiber (50) at an angle with respect to the cores (46, 48), i.e, with respect to the optical paths traversed by the optical radiation passing through the fiber (50).

La présente invention concerne une fibre optique (50) qui compte au moins deux coeurs (46, 48) avec des faces correspondantes (54, 56) aux extrémités de ladite fibre. Les faces (54, 56) sont orientées de telle sorte que le rayonnement optique peut être couplé à l'entrée ou à la sortie des coeurs (46, 48), ce qui permet, par exemple, une résolution spatiale en champ lointain du rayonnement provenant des coeurs (46, 48). Les faces (54, 56) peuvent être formées sur la fibre (50) par polissage de la fibre en biais par rapport aux coeurs (46, 48), c'est-à-dire par rapport aux trajectoires optiques suivies par le rayonnement qui son passage dans la fibre (50).

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