Hermetically sealed connection assembly for two or more...

Details Hermetically sealed connection assembly for two or more... Hermetically sealed connection assembly for two or more...

G - Physics

02

B

G02B 6/38 (2006.01) G02B 6/28 (2006.01) G02B 6/32 (2006.01) G02B 6/34 (2006.01) G02B 6/44 (2006.01) G02B 6/42 (2006.01)

Patent

CA 2223209

A connection assembly for two or more optical fibers, which is hermetically sealed by means of a thin-walled flexible metallic sleeve. The assembly comprises two fiber ends, each terminating in an optical component such as a lens, the lenses having distal end faces held together so that light can pass from one fiber to the other through the lenses, and a fiber tube is mounted on each fiber adjacent the proximal ends of the respective lens and is hermetically sealed to the fiber. Each fiber tube has a metallic coating, and the thin-walled metallic sleeve is connected by solder to the metallic coatings on the fiber tubes. Preferably, the metallic sleeve has a central portion with bellows-like convolutions.

Le présent brevet vise un dispositif de montage pour deux fibres optiques ou plus, dispositif qui est hermétiquement scellé par un manchon métallique souple à paroi mince. L'ensemble comprend deux connecteurs de fibres, se terminant chacun par un composant optique tel qu'une lentille. Les lentilles présentent des faces à extrémité distale réunies de manière que la lumière puisse passer d'une fibre à l'autre par ces lentilles. Un tube à fibres est monté sur chaque fibre près des extrémités proximales de chaque lentille et il est hermétiquement scellé à la fibre. Chaque tube à fibres est revêtu d'un enduit métallique et le manchon métallique à paroi mince est raccordé par brasage aux revêtements métalliques des tubes à fibres. De préférence, la section centrale du manchon métallique comporte des circonvolutions qui ressemblent à un soufflet.

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