Optical fibre attenuators

Details Optical fibre attenuators Optical fibre attenuators

G - Physics

02

B

88/97.6

G02B 6/26 (2006.01) G02B 5/02 (2006.01) G02B 6/38 (2006.01)

Patent

CA 1298117

ABSTRACT (Figure 1) OPTICAL FIBRE ATTENUATOR 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.

567525

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