Fiber optic pigtail design for reducing insertion loss and...

Details Fiber optic pigtail design for reducing insertion loss and... Fiber optic pigtail design for reducing insertion loss and...

2006-10-10

2006-10-10

Kim, Ellen E. (Department: 2874)

Optical waveguides

With optical coupler

Particular coupling structure

Reexamination Certificate

active

07120337

ABSTRACT:
One embodiment of an optical fiber for reducing insertion loss and insertion loss ripple includes a tapered region where the optical fiber has a diameter of approximately 125 microns at a first end and a diameter of approximately 50 microns at a second end. The cladding layer of the tapered region is tapered from the first end towards the second end. This section of the optical fiber may be tapered using an etch process or any other technically feasible process. The tapered configuration enables the distance between the optical axes of two optical fibers inserted into a ferrule to be reduced from approximately 125 microns to approximately 50 microns. Decreasing the distance between the optical axes causes a reduction in both insertion loss and insertion loss ripple.

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