Method and an arrangement for splicing optical waveguides
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United States of America Patent
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Sep 13, 1994
Grant Date -
N/A
app pub date -
Dec 23, 1992
filing date -
Jan 13, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a method and an arrangement for splicing optical waveguides and, more specifically, for effecting such splicing under field conditions i.e. directly in cable pits where the waveguides requiring splicing are housed. In accordance with the invention, a solidifiable refractive-index matching means is used to effect the splicing. The index-matching means is applied between the ends of the two waveguides in a support arrangement and is then solidified to form a splice having optical, ageing and temperature characteristics substantially corresponding to those of the waveguides. The temperature at which solidification is effected can be such that the refractive index-matching means is sintered to form a glass splice. The index-matching means is preferably a silica gel which can be solidified either chemically or by the application of heat.
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