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    Fused biconical taper fiber optic coupler station and fabrication techniques

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    5339374.pdf (577.9Kb)
    Downloads: 82
    Publication Date
    1994-08-16
    Filing Date
    1993-05-26
    Inventor
    Murphy, Kent A.
    Claus, Richard O.
    Gunther, Michael F.
    Metadata
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    Abstract
    The fibers are bound together about 1 cm apart. An oxy-propane torch is used to heat the fibers so that they fuse together. At the same time, the two relatively movable translational stages to which the fibers are clamped are pulled apart to form a biconical tapered region in the fibers. The fibers are tapered until a desired coupling ratio is achieved. After the insertion loss is measured, the torch is reintroduced into the taper region and one side (e.g., the right side) of the taper region is rotated with a minimal increase in the taper length, i.e., the distance between the two stations is increased only enough to keep an even tension in the taper region.
    Assignee
    Center for Innovative Technology
    Virginia Polytechnic Institute and State University
    Virginia Tech Intellectual Properties, Inc.
    Patent Number
    5339374
    Application Number
    8067868
    Source URL
    http://pimg-fpiw.uspto.gov/fdd/74/393/053/0.pdf
    Primary/U.S. Class
    385/43
    Other/U.S. Class
    CPC Class
    G02B6/2856
    Patent Type
    utility
    URI
    http://hdl.handle.net/10919/72818
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