Title :
Low OH excess loss PCVD fibres prepared by fluorine doping
Author :
Bachmann, P. ; Geittner, P. ; Leers, D. ; Lennartz, M. ; Wilson, H.
Author_Institution :
Philips GmbH, Forschungslaboratorium Aachen, Aachen, West Germany
Abstract :
Single-mode and multimode fibres have been prepared with PCVD using C2F6 as dopant. With increasing concentrations of C2F6 an exponential decrease of the OH excess loss was found. Ultra-low OH absorption losses of 0.2 dR/km at 1.38 ¿m have been achieved.
Keywords :
chemical vapour deposition; losses; optical fibres; optical workshop techniques; 1.38 micron; F doping; OH excess loss; PCVD; dopant concentration increase; hexafluoroethane dopant; multimode fibres; plasma activated CVD; single mode optical fibres; ultralow absorption losses;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19840025