High strength optical fiber splice

Details High strength optical fiber splice High strength optical fiber splice

1988-12-19

1990-09-04

Schor, Kenneth M.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 343, 65 42, 65 421, C03C 2502, C03B 23207, C03B 6255

Patent

active

049541528

ABSTRACT:
Two optical fibers are spliced together to form a single spliced optical fiber. The spliced region is uncontaminated by impurities, and has substantially no loss of optical transmission or mechanical strength as compared to the other regions of the fibers. Splicing is accomplished by removal of the buffer coating, if any, cleaving of the fibers to be spliced to form facing splicing surfaces, careful precleaning of the cleaved fibers in the region adjacent the splicing surfaces, aligning the fibers using optical transmission as the alignment criterion, fusing the fibers together by preheating the region to be spliced, fusing the region, postannealing the spliced region, carefully postcleaning the spliced region, and recoating the spliced region with a UV curable polymer buffer material, if desired. The heating of the fibers to accomplish the fusion is desirably accomplished by a laser such as a carbon dioxide laser.

REFERENCES:
patent: 4557557 (1985-12-01), Gleason et al.
Simple Method for Permanently Connecting Single-Mode Fibers, Pavlopoulos et al., Applied Optics, vol. 16, No. 6, Jun. 1977, pp. 1466-1468.

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