Optical splitter/combiner with an adiabatic mixing region

Details Optical splitter/combiner with an adiabatic mixing region Optical splitter/combiner with an adiabatic mixing region

1989-12-22

1991-02-26

Ullah, Akm

350 9616, 350 9620, G02B 626, G02B 628, G02B 636

Patent

active

049956868

ABSTRACT:
An optical splitter/combiner having an adiabatic mixing region for optically interconnecting a plurality of optical fibers. The change in shape of the adiabatic mixing region is purposely gradual so as to introduce little optical loss. The shape of the adiabatic mixing region is varied so as to minimize the change in the cross-sectional area of the adiabatic mixing region. The optical splitter/combiner is fabricated by the utilizing two subassemblies which when fitted together form the adiabatic mixing region. This formed mixing region is adapted to accepting a linear array of optical fibers in one end and a single optical fiber in the other end. The core area of the optical fibers in one end is not necessarily equivalent to those of the other end but instead are sized to ensure the relatively efficient transfer of optical energy. The adiabatic mixing region is filled with resin, and the numerical apertures of the optical fibers and the resin-filled mixing region are substantially matched. The subassemblies form an optical cladding for the adiabatic mixing region.

REFERENCES:
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patent: 4913508 (1990-04-01), Blyler, Jr. et al.
patent: 4915469 (1990-04-01), Byron et al.

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