Fiber optic coupler

Details Fiber optic coupler Fiber optic coupler

1996-07-11

1998-03-31

Ngo, John

Optical waveguides

With optical coupler

Permanently fixed coupler

385 99, G02B 638

Patent

active

057347670

ABSTRACT:
A hermetically sealed fiber optic coupler for packaging end joined optical fibers. The device includes at least one first optical fiber having a glass-based portion having a first free end and a second optical fiber having a glass-based portion having a second free end joined to the first free end of the glass-based portion of the first optical fiber to form an end joint. The device further includes an outer chamber having at least one open end, the outer chamber surrounding the end joint, the outer chamber and the end joint being hermetically sealed with a thermosetting plastic. In the preferred embodiment, the device also includes a primary tubular sleeve, positioned between the end joint the outer chamber; epoxy for tacking the glass-based portions of the first and second optical fibers to the primary tubular sleeve; and thixotropic epoxy for hermetically sealing the ends of the primary tubular sleeve.

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