Method of making fiber optic coupler

Details Method of making fiber optic coupler Method of making fiber optic coupler

1988-10-24

1990-02-20

Schor, Kenneth M.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 421, 65 43, 350 9615, C03C 2502, C03B 23207, C03B 37027

Patent

active

049023233

ABSTRACT:
A fiber optic coupler is formed as follows. Glass optical fibers, each having a core, cladding and coating are disposed within the longitudinal aperture of a capillary tube, the fibers extending beyond each end thereof. The fibers are preferably held taut to effect a tension therein. The coating is removed from that portion of the fibers in the midregion of the tube by oxidation, depolymerization or the like. The coating remains on those portions of the fibers extending into the ends of the apertures to precisely orient the fibers within the tube. The midregion of the tube is heated, collapsed about the fibers, and drawn to reduce the diameter thereof.

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patent: 4377403 (1983-03-01), McLandrich
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patent: 4490163 (1984-12-01), Jochem et al.
patent: 4591372 (1986-05-01), Bricheno et al.
patent: 4726643 (1988-02-01), Imoto et al.

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