Method of testing spliced portion of optical fibers

Details Method of testing spliced portion of optical fibers Method of testing spliced portion of optical fibers

C - Chemistry, Metallurgy

03

B

26/197, 354/25

C03B 37/14 (2006.01) G01M 11/00 (2006.01) G02B 6/255 (2006.01) G02B 6/38 (2006.01)

Patent

CA 1318025

- 18 - Abstract of the Disclosure In a method of testing a spliced portion of exposed fiber portions of optical fibers, the optical fibers are arranged with each other in line so that ends of the exposed fiber portions are spaced apart from each other by a predetermined distance. The ends of the exposed fiber portions are heated and melted by discharge heating. The optical fibers are then moved in the abut- ment or closing directions by a predetermined distance, so that the ends of the exposed fiber portions abut against each other to form a spliced portion. The mini- mum outer diameter value d of the spliced portion is measured. Ratio d/D of minimum value d to value D of the outer diameter of exposed fiber portion is calcu- lated. Spliced portions having splicing defects can be detected by detecting of spliced portions having ratio d/D of less than 1 (d/D < 1). That is, spliced portions having ratio d/D of less than 1 (d/D < 1) are regarded as splicing defects.

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