Title :
VAD single mode fibre with 0.2 dB/km loss
Author :
Tomaru, S. ; Yasu, M. ; Kawachi, M. ; Edahiro, T.
Author_Institution :
NTT Ibaraki Electrical Communication Laboratory, Tokai, Japan
Abstract :
Transmission loss of VAD single mode fibres has been reduced to 0.35 dB/km at 1.3 ¿m and 0.2 dB/km at 1.55 ¿m by the thick cladding deposition and dehydration technique. The residual OH absorption loss is only 0.1 dB/km at 1.39 ¿m.
Keywords :
chemical vapour deposition; losses; optical fibres; optical workshop techniques; dehydration technique; residual OH absorption loss; single mode optical fibres; thick cladding deposition; transmission loss; vapour phase axial deposition;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19810066