Method of making fiber optic coupler
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United States of America Patent
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Feb 20, 1990
Grant Date -
N/A
app pub date -
Oct 24, 1988
filing date -
Oct 24, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
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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