Optical waveguides – With optical coupler – Particular coupling structure
Patent
1995-02-21
1996-08-20
Ngo, John
Optical waveguides
With optical coupler
Particular coupling structure
385 96, 385 99, G02B 626
Patent
active
055486720
ABSTRACT:
A reinforced structure for a multicore optical fiber coupler wherein a longitudinal coating resin of first and second multicore optical fibers, each having a plurality of optical fiber stands positioned in parallel arrangement to each other and each collectively coated with a respective coating resin, is partially removed so as to expose glass portions of the optical fiber strands of each of the optical fibers. The exposed glass portions are then fused and extended. The fused and extended portions are then accommodated in a plurality of grooves formed in a reinforcing casing. The non-extended portions, which are located on opposite ends of the fused and extended portions in the extending direction, are also accommodated on the surface of the reinforcing casing. The optical fibers are secured to the reinforcing casing with adhesive, which is applied to the non-extended portions of the fibers. The reinforcing casing is preferably made of a material having substantially the same coefficient of linear expansion as that of quartz.
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Hattori Tomoyuki
Sasaoka Eisuke
Suganuma Hiroshi
Takimoto Hiroaki
Ngo John
Sumitomo Electric Industries Ltd.
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