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Continuous measurement of optical fibre transmission loss characteristics during drawing process

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2 Author(s)
Horiguchi, M. ; NTT Electrical Communications Laboratories, Tokai, Japan ; Itoh, H.

An online measurement method using an optical rotary connector is proposed for continuously monitoring optical fibre loss characteristics during manufacture. This method provides a complete transmission loss spectrum and OTDR measurements of optical fibres during the drawing process. The results coincide with corresponding offline cutback measurements to better than ±0.2 dB/km.

Published in:

Electronics Letters  (Volume:22 ,  Issue: 19 )