Varied insertion loss fiber optic coupling and method of making

Details Varied insertion loss fiber optic coupling and method of making Varied insertion loss fiber optic coupling and method of making

1994-02-22

1996-09-03

Healy, Brian

Optical waveguides

With optical coupler

Particular coupling structure

385 42, 385 46, 385 51, 65406, 65408, 65409, 65410, 65411, G02B 628, C03B 3715

Patent

active

055531792

ABSTRACT:
A varied ratio coupler, and a method of forming the same, constructed and arranged, in a unitary structure, to cause optical power in an input optical fiber to couple asymmetrically to at least two output optical fibers in a manner establishing different insertion losses between the input fiber and at least two output optical fibers. The coupler includes a central fiber surrounded by a close-packed ring of fibers. In certain preferred embodiments, the coupler has a bend that lies in a preselected plane and has a radius of curvature that is selected to provide the above difference in the insertion losses.

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