Title :
Low-loss high-numerical-aperture optical fibre fabricated by v.a.d. method
Author :
Shibata, Naotaka ; Kawachi, M. ; Sudo, Shunsuke ; Edahiro, T.
Author_Institution :
NTT Ibaraki Electrical Communication Laboratory, Tokai, Japan
Abstract :
Low-loss high-numerical-aperture optical fibres, consisting of GeO2/P2O5-doped silica core and silica cladding, have been made by the v.a.d. method. The minimum transmission loss of the fibre with an n.a. 0.32 was 0.8 dB/km at 1.55 ¿m.
Keywords :
optical fibres; vapour deposition; GeO2/P2O5 doped silica cladding; GeO2/P2O5 doped silica core; VAD; low loss high numerical aperture optical fibres; vapour phase axial deposition;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19790483
