Title :
High-strength carbon-coated optical fibre
Author :
Yoshizawa, N. ; Katsuyama, Yutaka
Author_Institution :
NTT Transmission Syst. Labs., Ibaraki, Japan
Abstract :
A carbon-coated fibre with 6.2 kgf failure strength and an n value of 670 is obtained for the first time. The carbon surface roughness was evaluated from STM images and a flat carbon coating was found to be essential in preventing the initial strength degradation of the fibre.
Keywords :
carbon; fatigue; germanium; glass fibres; optical fibres; protective coatings; scanning tunnelling microscopy; silicon compounds; tensile strength; STM images; SiO 2:Ge-C; carbon surface roughness; carbon-coated fibre; failure strength; flat carbon coating; strength degradation;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19890954