Method of determining angular coordinates of opposing optical fi

Details Method of determining angular coordinates of opposing optical fi Method of determining angular coordinates of opposing optical fi

1995-06-07

1997-04-22

Ngo, John

Optical waveguides

With optical coupler

Switch

385147, G02B 636

Patent

active

056235631

ABSTRACT:
The angular coordinates representative of intersecting points on closed curves of a first optical fiber axially offset from a plurality of optical fibers in a mechanical optical switch are determined by imaging respective end faces of opposing first and second mounting members containing the respective fibers for determining the locations of the optical fibers in the mounting members and at least one reference point within one of the mounting members. The relative angular coordinates of the intersecting points between each of the closed curves of the plurality of optical fibers and the closed curve of the first optical fiber are aligned as a function of aligning the first optical fiber with the reference point. One of the plurality of optical fibers is optimally aligned with the first optical fiber at one of the intersecting points on the closed curves using the adjusted relative angular coordinates as the starting angular coordinates. The relative angular coordinates of intersecting points of the remaining plurality of optical fibers and the first optical fiber and the offset of the mounting members are readjusted relative to the optimally aligned optical fibers. The remaining optical fibers are optimally aligned with the first optical fiber at their respective intersecting points using the readjusted relative angular coordinates as the starting angular coordinates. The angular coordinates of the intersecting points of each of the optimally aligned plurality of optical fibers and the first optical fiber are stored.

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