Title :
Influence of impurities on loss increase in optical fibre
Author :
Hanafusa, H. ; Hibino, Y. ; Itoh, Hayato ; Yamamoto, Fumihiko
Author_Institution :
NTT Electrical Communications Laboratories, Tokai, Japan
Abstract :
The influence of impurities on hydrogen-induced OH loss increase and radiation-induced loss increase is examined in GeO2-doped SiO2 fibres with a synthetic SiO2 clad. Fibres contaminated by both aluminium and sodium ions show loss increases as great as fibres with a natural SiO2 clad.
Keywords :
germanate glasses; optical fibres; optical losses; silicon compounds; SiO2-GeO2:OH, Al, Na; SiO2:GeO2-SiO2; impurities; loss increase; optical fibre; radiation-induced loss; synthetic clad;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19870007
