Title :
Low-OH-content optical fibre fabricated by vapour-phase axial-deposition method
Author :
Sudo, S. ; Kawachi, M. ; Edahiro, T. ; Izawa, T. ; Shioda, T. ; Gotoh, H.
Author_Institution :
NTT Ibaraki Electrical Communication Laboratory, Tokai, Japan
Abstract :
A low-OH-content and long-length optical fibre has been made by the v.a.d. method. The OH content in the rod preform was reduced to about 0.4 p.p.m. utilising the chemical reactions of SOCl2 or CCl4 with OH ions and H2O molecules In the porous glass rod. The minimum loss of the fibre, 20km long, was 1.0±0.1 dB/km at 1.2¿m.
Keywords :
chemical vapour deposition; optical fibres; optical glass; optical workshop techniques; loss spectrum; low OH content optical fibre; rod preform IR transmission spectrum; vapour phase axial deposition method;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19780362
