Title :
Novel method of diameter control in optical-fibre drawing process
Author :
Imoto, Katsuyuki ; Aoki, Satoshi ; Sumi, Masao
Author_Institution :
Hitachi Ltd., Central Research Laboratory, Kokubunji, Japan
Abstract :
A novel method for controlling fibre diameter is devised, utilising the phenomenon that slight changes of gas flow in the fibre-drawing-machine furnace cause rapid variations in optical-fibre diameter. Resultant diameter fluctuations are reduced to ±05% for fibre lengths of over 1 km.
Keywords :
drawing (mechanical); mechanical variables control; optical fibres; diameter control; gas flow changes; optical fibre drawing process;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19770512