Optical attenuation fiber assembly

Details Optical attenuation fiber assembly Optical attenuation fiber assembly

G - Physics

02

B

G02B 6/26 (2006.01) G02B 5/20 (2006.01) G02B 6/02 (2006.01) G02B 6/10 (2006.01) G02B 6/28 (2006.01) G02B 6/36 (2006.01) G02B 6/38 (2006.01)

Patent

CA 2172646

A mass-producible optical attenuation fiber assembly which can realize arbitrary desired optical attenuation by using an optical attenuation fiber. This optical attenuation fiber assembly is provided with an optical attenuation fiber, an ordinary optical fiber connected to a first end portion of the optical attenuation fiber and a ferrule for accepting and fixing the other end portion of the optical attenuation fiber. In this optical attenuation fiber assembly, the optical attenuation fiber is cut or shortened by being polished in such a manner as to be able to obtain predetermined attenuation when connected to the ordinary optical fiber before or after fixed to the ferrule. Further, in the optical attenuation fiber assembly, the ordinary optical fiber is also cut to a fixed length. Moreover, a cut edge portion of the ordinary optical fiber is fixed to another ferrule and is polished. Furthermore, the latter ferrule is coupled to the former ferrule for accepting and fixing the latter end portion of the optical attenuation fiber through an alignment sleeve.

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