Title :
Optimised structure for preparing long ultra-low-loss single-mode fibres
Author :
Ainslie, B.J. ; Day, C.R. ; Rush, J. ; Beales, K.J.
Author_Institution :
British Telecom Laboratories, Ipswich, UK
Abstract :
An optimised structure has been evolved for producing long lengths of ultra-low-loss single-mode fibre. Attenuation figures of 0.6 dB/km at 1.3 ¿m and 0.34 dB/km at 1.6 ¿m have been achieved in fibres up to 17.1 km in length. The absorption due to OH impurity has been reduced to <3 dB/km at 1.39 ¿m.
Keywords :
optical design techniques; optical fibres; optical workshop techniques; 0.34 dB/km; 0.6 dB/km; 17.1 km; fabrication; optical fibre design; optimised structure; single mode fibre; ultra low loss fibre;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19800491
