Method of producing polished block type, single mode, evanscent

Details Method of producing polished block type, single mode, evanscent Method of producing polished block type, single mode, evanscent

1986-08-20

1987-11-17

Moon, Charlie T.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

29407, 29445, 29463, 29559, 51281R, 51326, 156153, 156158, 350 9615, 350320, B65H 6906

Patent

active

047072016

ABSTRACT:
A process for the production of polished block single mode, evanescent wave directional optical couplers. The process comprises producing a plurality of discrete coupler halves, each coupler half having an optical fiber imbedded in a substrate. The coupler halves are then ground to remove a small portion of the cladding of the optical fiber to produce an oval shaped area of defined dimensions of the exposed fiber. The ground coupler halves are mounted in a first holder in a coplaner manner and further worked to a end point determined by an evanescent coupling measurement. A pair of coupler halves are secured together such that the optical fibers are in optical contact and in effective fusion with each other.

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patent: 4565593 (1986-01-01), Marr
patent: 4649670 (1987-03-01), Snyder

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