Method of welding several optical fibers end to end in layers an

Details Method of welding several optical fibers end to end in layers an Method of welding several optical fibers end to end in layers an

1980-01-03

1982-08-17

Reynolds, B. A.

Electric heating

Metal heating

By arc

219121PJ, 219121P, 219161, 350 962, 350 9621, 269903, 29743, B23K 900

Patent

active

043451373

ABSTRACT:
A method of welding several optical fibers end to end in layers in a common welding plane. Each fiber (31) includes a bared portion and a covered portion. The method is applied by a device including:
(a) a microplasma welding torch (40) with a vertical axis movable in said weld plane;
(b) a supporting block (39) with: parallel positioning grooves for positioning the bared portions of the fibers; an opening (42) in the neighborhood of the weld plane; and a chamber (43) for slowing down the gases of the plasma disposed below said opening and connected thereto; and
(c) components for gripping the covered portions of the fibers said gripping components being constituted by supports (11, 12) provided with parallel optical fiber positioning grooves. A positive pressure difference is set up between the upper portion and the lower portion of the fibers. The fibers are translated parallel to the axes of the optical fibers.

REFERENCES:
patent: 4062620 (1977-12-01), Pirolli
patent: 4079927 (1978-03-01), Roctor
patent: 4118618 (1978-10-01), Gauthier et al.
patent: 4148559 (1979-04-01), Gauthier
Applied Physics, 4-1975, pp. 816, 817--Optical Fiber Vacuum Chuck--.
--Optical Fiber Alignment Chuck--Western Electric, 4-1977, #46 Technical Digest.
IBM, vol. 23,#5, 10-1980--Feature for Simplifying Assembly of Fiber Optic Modules.

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