Patent
1988-05-24
1989-11-21
Sikes, William L.
350 9610, 350 9620, 350 9629, 350 9634, 350320, 65 312, 65 41, 65 42, G02B 638, C03C 2502
Patent
active
048817937
ABSTRACT:
An attenuating device 10 for use with signal carrying optical fibres 14 comprises a length 18 of optical fibre coiled within a casing 16. The optical fibre length 18 is of higher attenuation per unit length than the optical fibres 14 and the device comprises means, for example optical fibre tails 22,24 fusion spliced at 20,22 to the opposite ends of the length 18 for optically connecting those ends to the fibres 14.
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Healy Brian M.
Pirelli General plc
Sikes William L.
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