Optical waveguides – With splice
Patent
1992-12-23
1994-09-13
Bovernick, Rodney B.
Optical waveguides
With splice
385 99, G02B 638
Patent
active
053476069
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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patent: 3681164 (1972-08-01), Bazinet et al.
patent: 4662962 (1987-05-01), Malavieille
patent: 4728170 (1988-03-01), Robertson
patent: 4746189 (1988-05-01), Arrington et al.
patent: 4919510 (1990-04-01), Hoke et al.
patent: 4971418 (1990-11-01), Dorsey et al.
Bovernick Rodney B.
Ngo John
Televerket
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