Method of fabricating a fiber optic coupler

Details Method of fabricating a fiber optic coupler Method of fabricating a fiber optic coupler

1990-07-09

1991-12-03

Lee, John D.

Optical waveguides

With optical coupler

Particular coupling structure

385 50, G02B 626

Patent

active

050695185

ABSTRACT:
A method for the fabrication of a fiber optic coupler includes a step of fusing together two optical fibers along their longitudinal sections by heating them and a step of stretching the two optical fibers independently of one another with different conditions of tension and/or temperature so that the difference in their propagation constants varies. A desired splitting ratio of the fiber optic coupler can easily be achieved by making the above-said difference in propagation constant vary in the stretching step.

REFERENCES:
patent: 3957341 (1976-05-01), Taylor
patent: 4738511 (1988-04-01), Fling
patent: 4798436 (1989-01-01), Mortimore
patent: 4798438 (1989-01-01), Moore et al.

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