Fused biconical taper fiber optic coupler station and fabricatio

Details Fused biconical taper fiber optic coupler station and fabricatio Fused biconical taper fiber optic coupler station and fabricatio

1993-05-26

1994-08-16

Ullah, Akm E.

Optical waveguides

With optical coupler

Particular coupling structure

G02B 600, G02B 636

Patent

active

053393740

ABSTRACT:
The fibers are bound together about 1 cm apart. An oxy-propane torch is used to heat the fibers so that they fuse together. At the same time, the two relatively movable translational stages to which the fibers are clamped are pulled apart to form a biconical tapered region in the fibers. The fibers are tapered until a desired coupling ratio is achieved. After the insertion loss is measured, the torch is reintroduced into the taper region and one side (e.g., the right side) of the taper region is rotated with a minimal increase in the taper length, i.e., the distance between the two stations is increased only enough to keep an even tension in the taper region.

REFERENCES:
patent: 4054366 (1977-10-01), Barnoski et al.
patent: 4291940 (1981-09-01), Kawasaki et al.
patent: 4400055 (1983-08-01), Ozeki et al.
patent: 4426215 (1984-01-01), Murphy
patent: 4449781 (1984-05-01), Lightstone et al.
patent: 4550974 (1985-11-01), Murphy
patent: 4763977 (1988-08-01), Kawasaki et al.
patent: 4801185 (1989-01-01), Bricheno
patent: 5011252 (1991-04-01), Thorncraft et al.
patent: 5046804 (1991-09-01), Fukuma et al.
patent: 5216731 (1993-06-01), Murphy et al.

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